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Childhood obesity and food intake 
 
Childhood obesity and food intake
  Jia-Yi Huang, Sui-Jian Qi
 [Abstract] [Full Text] [PDF]   Pageviews: 11690 Times
 
Childhood obesity and food intake
 
Jia-Yi Huang, Sui-Jian Qi
Guangzhou, China
 
Author Affiliations: College of Light Industry and Food Sciences, South China University of Technology, Guangzhou 510640, China (Huang JY, Qi SJ)
 
Corresponding Author: Sui-Jian Qi, PhD, College of Light Industry and Food Sciences, South China University of Technology, Guangzhou 510640, China (Tel: 86-13726780488; Fax: 86-20-87113842; Email: fesuijianqi@scut.edu.cn)
 
doi: 10.1007/s12519-015-0018-2
 
Background: The prevalence of obesity among children is growing in China at present. Childhood obesity reflects complex interactions of genetic, environmental, social and behavioral factors. Foods, nutritional components, and food intake patterns may be associated with the increasing obesity rate in children.
 
Data sources: Articles about the relationship between childhood obesity and food intake were collected from the databases including Web of Knowledge, PubMed, Elsevier and Google Scholar.
 
Results: Foods and nutritional components such as calcium, dietary fiber are inversely related to obesity, whereas others such as vitamin B and sugar-sweeten beverages play a positive role in obesity development. The differences in food intake pattern also influence the risk of obesity.
 
Conclusions: Food intake is an important factor influencing childhood obesity. One strategy to prevent childhood obesity is to take foods of moderate amount in a proper pattern.
 
                                                       World J Pediatr 2015;11(2):101-107
 
Key words: childhood;
                    food;
                    intake;
                    obesity
 
 
Introduction
Obesity is now undoubtedly a growing worldwide health problem. According to the statistical data from 2003, about 30% of the adults and 15% of the children (2-19 years old) globally were classified as obesity.[1] Childhood obesity is not only epidemic in developed countries, such as Western European countries, Australia and USA, but also in developing countries.[2] In the USA, an astonishing 1/3 of children and adolescents (about 23 million) are overweight or obese. Even in China, the obesity rate in children is increasing dramatically during the last decade.[3] The possibility for a child being obesity to become an obese adult is as high as 80%.[4] And the more obese in childhood the more likely will obesity persist into adulthood.[5]
The high prevalence of obesity has aroused people's concern. Firstly, obesity in general and childhood obesity in particular cause many health problems, such as hypertension, high cholesterol, asthma, sleep disorders, liver disease, type 2 diabetes, coronary heart disease, stroke and cancer.[6,7] Researchers[8] found it even worse that many obesity-related diseases once considered exclusively in adulthood are now being seen in children with an increasing frequency. For example, type 2 diabetes, also called adult-onset diabetes, is now appearing in children of eight years old. That means these children have to cope with such chronic illness for an unusually extended period of time. Secondly, obesity is an economic issue. It was reported that health care expenses and medicines expenses of obese adults were 36% and 77% higher than those non-obese people, respectively.[9] Wang et al[10] reported that estimates of hospital costs for treating children obesity-related conditions rose from $35 million to $127 million (in 2001 constant dollar values) from 1979-1981 to 1997-1999. And the estimates are rising rapidly. Therefore, the high prevalence of childhood obesity and the severe consequences have led to a consensus that paramount attention should be paid to this epidemic global problem.[11,12]
Genetics is undoubtedly an important factor for childhood obesity. The probability for a child with one obese parent to become an obese adult is three times higher than those with no obese parents.[13,14] However, children obesity, on the whole, reflects complex interactions of genetics and other factors, such as environmental, social and behavioral factors, which will affect the energy intake and expenditure.[15,16] Ultimately, the imbalance between energy intake and expenditure is the determining factor for the high obesity rates.[17] It is hard to prevent childhood obesity from the genetic point of view; however, it is obviously effective to prevent the disease by taking more physical exercises and proper foods of moderate amount. In this review, we will systematically review the publications from the databases about the relationship between childhood obesity and food intake, including the types of food, the types of nutritional components and the food intake patterns.
 
 
Types of food related to childhood obesity
Beverages
Sugar-sweetened beverages (SSBs)
The consumption of SSBs is increasing dramatically among children and adolescents over the recent decades. Several epidemiologic studies[1,18] have found a positive link between SSBs consumption and long-term weight gain and obesity. A two-year prospective cohort study[19] in more than 10 000 boys and girls aged 9 to 14 years found that consumption of SSBs was associated with less body mass index (BMI) (kg/m2) gains during the corresponding year, probably due to their contribution to total energy intake. A pilot study[20] of the effect of less SSBs consumption on body weight found that changes in the BMI, adjusted for gender and age, were 0.07-0.14 kg/m2 for the decreased consumption group and 0.15-0.21 kg/m2 for the control group after 25 months of intervention. Another longitudinal study[21] (4 to 8 weeks) of the effects of excessive SSBs consumption on children (6 to 13 years old) energy balance and nutrient intake showed that excessive SSBs consumption (>12 oz/day), displaced milk from children's diets, resulted in higher daily energy intake and greater weight gain compared with those who consumed less SSBs (<12 oz/day). Other studies[22-24] also found similar results that the obesity might be aggravated by the increased intake of SSBs. In a review article, Malik et al[18] reported that SSBs provided little nutritional benefit and the consumption of SSBs that causes weight gain was due to the low satiety of liquid carbohydrates, thus resulting in incomplete compensation of energy at subsequent meals. They concluded that the consumption of SSBs, particularly among children and adolescents, should be discouraged.
 
Fruit juices
Fruit juices are considered as healthy beverages and consumed in high quantities among children. Longitudinal studies[25,26] on fruit juice intake showed no influence on weight gain. However, others showed that there is a positive link between fruit juices and obesity. Dennison et al[27] reported that consumption of ¡Ý12 fL oz/day of fruit juice by children aged 2-5 years was associated with short stature and with obesity. They also found that the effects were probably due to the high content of fructose (13.9 g/8 oz serving) and sucrose (4.2 g/8 oz serving) in the apple juice.[28,29] Their results were consistent with those indicating the particular role of fructose and sucrose in adiposity.[23,30]
 
Milk and dairy products
Studies[31,32] found that milk and dairy products were effective in weight control and milk has long been considered as an essential beverage for children because it contains nutritive proteins, calcium and vitamins A and D.[33] There is a claim that two servings of milk intake per day could reduce the risk of overweight by up to 70%. However, the effects of milk and dairy products on weight are controversial. The dairy calcium might promote weight loss, whereas estrone and whey protein might cause weight gain. Berkey et al[34] reported that large amounts of milk may provide excessive energy to some children. Children with large amounts of milk intake gained more weight during a longitudinal study. They also found that there was no difference between whole milk and skim milk, indicating that dairy fat is not associated with children obesity. As a special type of milk, breast milk performs differently. Several studies[35-37] showed that an infant fed with breast milk instead of infant formula has a lower risk of overweight or obesity in later childhood and adolescence. Moreover, it seems that the longer period of breast milk feeding, the more effective in preventing childhood and adolescence obesity.[38,39]
 
Snacks
According to a survey by the Chinese Disease Control Center in 2007, 60% of the children (aged 3 to 17 years) have snacks every day. Surveys from other countries also found similar increasing trend in snack consumption among children.[40,41] Foods with increased energy density might lessen the satiety of food intake, resulting in passive overconsumption and obesity.[42-44] Therefore, the energy-dense snacks were viewed as a cause for childhood obesity.[45] Zizza et al[46] reported that there was a strong possibility that snacking has contributed to the epidemic of obesity in children of the USA. However, in the 4-year longitudinal study of initially non-obese girls aged 8 to 12 years, Phillips et al[47] found that energy-dense snacks did not affect weight or fatness.
 
Fast food
Fast food consumption is associated with lower dietary quality.[48,49] Paeratakul et al[48] reported that fast food consumption would lead to higher energy and fat intake but lower intake of healthful nutrients such as vitamins, milk, vegetables and fruits. Similar results were observed in the research of Bowman et al,[49] who found that fast food consumption among children might affect dietary quality that could plausibly increase the risk of obesity. Although higher energy intake from fast food may lead to the increasing incidence of children obesity,[50,51] it still lacks of adequate proof.[1]
 
Vegetables and fruits (VFs)
VFs have been recommended to prevent obesity because of their low energy dense, high water and fiber content.[52] Epstein et al[53] reported that the percentage of overweight in families with increased VFs consumption was significantly lower than that in those with decreased high-fat/high-sugar consumption. The inverse association between VFs intake and pediatric obesity was also reported.[54,55] In a 2-year longitudinal study, overweight children (aged 6 to 13 years) with higher VFs intake were less likely to remain overweight during the experimental years, compared with those with lower VFs intake.[54] In a similar study by Field et al,[55] the inverse association between VFs intake and BMI change was found in boys, not in girls. However, other studies[56,57] found that there was no or positive relationship between VFs and children obesity. This finding suggested that VFs alone are not the cure for preventing obesity. It is the replacement of energy dense foods with VFs that produces the anti-obesity effect.[58]
 
 
Types of nutritional components related to childhood obesity
Vitamins
Recently, the intake of vitamins from plants, animals or artificial sources has been increasing. Moreover, many foods and infant formulae are fortified with vitamins. The increasing intake of vitamins might have a positive relationship with the prevalence of children obesity.[59] Existing evidence showed that increased B vitamins (B1, B2 and niacin) intake was strongly correlated with the prevalence of obesity and diabetes,[59-61] because B vitamins can enhance fat synthesis.[62] Infant formula fortified with excess B vitamins may lead to rapid infant weight gain and childhood obesity.[60,63] Other than B vitamins, antioxidative vitamin C and E were also found to increase reactive oxygen species. Thus, over intake of these vitamins may also contribute to the development of obesity.[64] There are a plenty of evidences from genetic and animal studies that vitamin D may play a positive role in inhibiting adipogenesis.[65,66] Follow-up[67-69] of preadolescent children showed that vitamin D was inversely associated with the indicators of adiposity, and adequate vitamin D intake is crucial to prevent childhood obesity.
 
Proteins
Excess protein intake during infancy is positively related to childhood obesity.[70] A randomized trial by Weber et al[71] reported that infants who received a higher protein content formula (HP group) in the first year of life showed a significantly higher BMI at 6 years of age than those who received a lower protein content formula (LP group) and those who were breast-fed. Moreover, the risk of obesity in the HP group was 2.43 times higher than that in the LP group. Long-term studies[72,73] showed that during the period of complementary feeding (aged 6 to 18 months), higher protein intake would lead to increased BMI at 4 to 7 years and greater risk of later obesity. Intervention and observational studies[74,75] supported the hypothesis that high protein intake promotes rapid weight gain during the childhood.
 
Fat
Over-consumption of dietary fat (mainly triglycerides) from foods or cuisines can lead to obesity.[76] Since the rate of obesity in adults and children is increasing, dietary fat should be reduced to balance energy consumption and energy needs, and there is a special need for fat-modified food.[77] For another special kind of fat, the dairy fat, however, it is not the case. Dairy fat is commonly viewed as the contributor of dairy product to the development of obesity because of its high energy dense, cholesterol content and saturated fatty acid. Kratz et al[78] concluded that high dairy fat intake is inversely associated with obesity. They reviewed 16 observational studies conducted around 1999 to 2011 in the USA and Europe, but none of the 16 studies reported a positive relationship between baseline consumption of dairy fat or high-fat dairy foods and obesity at baseline or over time. Moreover, 11 of the 16 studies showed that with more dairy fat and/or high-fat dairy foods consumption at baseline, participants gained less weight over time than those with less consumption of dairy fat and/or high-fat dairy foods.
 
Dietary fiber
Dietary fiber is beneficial for energy intake control and reducing the risk of obesity.[79,80] The physical and chemical properties of dietary fiber are effective in promoting satiation while prolonging signals of satiety. Dietary fiber could prevent excessive food intake and fat deposition by decreasing the caloric density of diet, slowing the rate of food ingestion, increasing the effort in eating, promoting intestinal satiety, and interfering slightly with the efficiency of energy absorption.[80] The recommended dietary fiber consumption for children is about 14 g/1000 Kcal.[81] Dietary fiber comes from a variety of sources, such as vegetables and grains. Du et al[82] reported that the lowering of body weight was due to dietary fibers from grains rather than from fruits or vegetables. Several reports[83-85] confirmed the effects of dietary fiber in lowering body fatness. A 2-year follow-up study[84] of children aged 7 to 11 years showed that there was a 10% increase of visceral body fat with decreasing fiber intake.
 
Calcium
Existing evidence shows that increasing consumption of dietary calcium is associated with lower body weight, BMI and obesity. The mechanism of dietary calcium in reducing body fat may be the result of lipolysis stimulation and lipogenesis inhibition.[86] High intake of dietary calcium would suppress adipocyte lipid accretion during overconsumption of an energy-dense diet and increase lipolysis and preserve thermogenesis during caloric restriction, thereby markedly accelerate weight loss.[87,88] A clinical study[89] of 4-year observation found significant negative associations between calcium intake and weight gain. Moreover, a 1000 mg difference in calcium intake was found to be associated with an 8 kg difference in mean body weight. Zemel et al[90] reported that obese patients received increasing dietary calcium for 1 year would have a loss of body fat of 4.9 kg. They also found that increased calcium intake would suppress adipocyte intracellular Ca2+, modulate energy metabolism and attenuate obesity risk. Longitudinal studies[91-93] in children showed that higher mean longitudinal calcium intake (mg/day) and more dairy servings per day were associated with reduced body fat and children obesity. And the body fat reduced effect was more significant in males than in females.[91]
 
 
Food intake patterns
We have addressed the issue "What to eat in order to prevent childhood obesity?". Children must absorb enough nutrition to maintain their growth and development. Dieting and restriction to palatable foods are not suitable for the treatment of children obesity.[94-96] Foods and nutritional components that can reduce the risk of obesity should be the smart choices. However, for young children, their choices of food usually follow their parents' example.[13,35] That explains why obese parents have a higher risk of raising obese children, because children would follow the preference choices of high-fat, energy-dense foods as their parents. At this point, the parents' awareness of a "good diet" is important to the food choice of their children.[12,16,97] Beyond this, the issue of food intake pattern should be involved, that is, "How and when to intake the food with how much amount?". The development of food intake pattern of children is affected by a number of factors, such as parent's guide, advertising, built environments, etc.[97-99] The following are suggested food intake patterns from the reported studies:
 
Maintaining a good breakfast habit
Breakfast is the most important meal in a day. Breakfast skipping is unsuitable for weight control. Studies[100,101] showed children who skip breakfast have higher BMI or weight gain than those who have regular breakfast. On the contrary, maintaining a good breakfast habit can not only receive adequate nutrition but also reduce the risk of obesity. Therefore, a daily breakfast containing a variety of foods, especially high dietary fiber, fruits, and dairy products is recommended.[100]
 
Avoiding binge eating, high-fat night meals
Binge eating should be avoided. Binge eating means eating large meals without control, eating despite fullness or eating without hunger. Binge eating is not only harmful to health but also leads to obesity.[102] High-fat night meals also should be avoided. Short-term food intake regulation is readily overcome by sudden increase of energy-dense food, especially during the night. High-fat night meals allow no compensatory adjustments until the next day, a great risk to become obesity.[102,103]
 
Avoiding infrequent meal pattern and increasing meal frequency
Infrequent meal pattern ("meal feeding", "intermittent feeding", "gorging") is considered as a possible factor of obesity.[104] Experiments showed that infrequent feeding resulted in a net increase of total body fat over that in ad libitum-fed controls, when an isocaloric food supply was ensured. Infrequent loads of food induce complex changes described as adaptive hyperlipogenesis leading to the development of obesity. Therefore, infrequent meal pattern should be avoided. It is recommended to increase meal frequency when possible. Experiments on obese patients showed that serum lipids and overweight tended to decrease as the meal frequency increased.[104] Individuals with five or more meals per day were unlikely to gain excessive weight. Also, those with increased meal frequency remained stable weight when they were subjected to overeating. An inverse relationship was also observed between the prevalence of childhood obesity and meal frequency.[105]
 
Avoiding eating while watching TV
Eating while watching TV usually leads to more energy intake (eating high energy-dense snacks and drinking sugar-sweeten beverages) and less energy expenditure (sedentary position).[106]
 
 
Conclusions
There is a relationship between childhood obesity and food intake. The smart choice of food and nutritional components and proper food intake patterns are important to the prevention of childhood obesity.
 
 
Funding: None.
Ethical approval: Not needed.
Competing interest: None.
Contributors: Both authors contributed equally to the design and interpretation of this article. Huang JY wrote the manuscript under the supervision of Qi SJ.
 
 
References
1   Anderson PM, Butcher KE. Childhood obesity: trends and potential causes. Future Child 2006;16:19-45.
2   Silventoinen K, Sans S, Tolonen H, Monterde D, Kuulasmaa K, Kesteloot H, et al. Trends in obesity and energy supply in the WHO MONICA Project. Int J Obes Relat Metab Disord 2004;28:710-718.
3   Ogden CL, Carroll MD, Curtin LR, Lamb MM, Flegal KM. Prevalence of high body mass index in US children and adolescents, 2007-2008. JAMA 2010;303:242-249.
4   Abraham S, Collins G, Nordsieck M. Relationship of childhood weight status to morbidity in adults. HSMHA Health Rep 1971;86:273-284.
5   Donnelly JE, Jacobsen DJ, Whatley JE, Hill JO, Swift LL, Cherrington A, et al. Nutrition and physical activity program to attenuate obesity and promote physical and metabolic fitness in elementary school children. Obes Res 1996;4:229-243.
6   Visscher TL, Seidell JC. The public health impact of obesity. Annu Rev Public Health 2001;22:355-375.
7   Schwimmer JB, Burwinkle TM, Varni JW. Health-related quality of life of severely obese children and adolescents. JAMA 2003;289:1813-1819.
8   Klein S, Burke LE, Bray GA, Blair S, Allison DB, Pi-Sunyer X, et al. Clinical implications of obesity with specific focus on cardiovascular disease: a statement for professionals from the American Heart Association Council on Nutrition, Physical Activity, and Metabolism: endorsed by the American College of Cardiology Foundation. Circulation 2004;110:2952-2967.
9   Sturm R. The effects of obesity, smoking, and drinking on medical problems and costs. Health Aff (Millwood) 2002;21:245-253.
10 Wang G, Dietz WH. Economic burden of obesity in youths aged 7 to 17 years: 1979-1999. Pediatrics 2002;109:E81.
11 Goran MI. Measurement issues related to studies of childhood obesity: assessment of body composition, body fat distribution, physical activity, and food intake. Pediatrics 1998;101:505-518.
12 Birch LL, Fisher JO. Mothers' child-feeding practices influence daughters' eating and weight. Am J Clin Nutr 2000;71:1054-1061.
13 Whitaker RC, Wright JA, Pepe MS, Seidel KD, Dietz WH. Predicting obesity in young adulthood from childhood and parental obesity. N Engl J Med 1997;337:869-873.
14 Maes HH, Neale MC, Eaves LJ. Genetic and environmental factors in relative body weight and human adiposity. Behav Genet 1997;27:325-351.
15 Morrill AC, Chinn CD. The obesity epidemic in the United States. J Public Health Policy 2004;25:353-366.
16 Johnson SL, Birch LL. Parents' and children's adiposity and eating style. Pediatrics 1994;94:653-661.
17 Reedy J, Krebs-Smith SM. Dietary sources of energy, solid fats, and added sugars among children and adolescents in the United States. J Am Diet Assoc 2010;110:1477-1484.
18 Malik VS, Schulze MB, Hu FB. Intake of suger-sweetened beverages and weight gain: a systematic review. Am J Clin Nutr 2006;84:274-288.
19 Berkey CS, Rockett HR, Field AE, Gillman MW, Colditz GA. Sugar-added beverages and adolescent weight change. Obes Res 2004;12:778-788.
20 Ebbeling CB, Feldman HA, Osganian SK, Chomitz VR, Ellenbogen SJ, Ludwig DS. Effects of decreasing sugar-sweetened beverage consumption on body weight in adolescents: a randomized, controlled pilot study. Pediatrics 2006;117:673-680.
21 Mrdjenovic G, Levitsky DA. Nutritional and energetic consequences of sweetened drink consumption in 6- to 13-year-old children. J Pediatr 2003;142:604-610.
22 Ludwig DS, Peterson KE, Gortmaker SL. Relation between consumption of sugar-sweetened drinks and childhood obesity: a prospective, observational analysis. Lancet 2001;357:505-508.
23 Bray GA, Nielsen SJ, Popkin BM. Consumption of high-fructose corn syrup in beverages may play a role in the epidemic of obesity. Am J Clin Nutr 2004;79:537-543.
24 Bennett CA, de Silva-Sanigorski AM, Nichols M, Bell AC, Swinburn BA. Assessing the intake of obesity-related foods and beverages in young children: comparison of a simple population survey with 24 hr-recall. Int J Behav Nutr Phys Act 2009;6:71.
25 Alexy U, Sichert-Hellert W, Kersting M, Manz F, Schöch G. Fruit juice consumption and the prevalence of obesity and short stature in german preschool children: results of the DONALD Study. Dortmund nutritional and anthropometrical longitudinally designed. J Pediatr Gastroenterol Nutr 1999;29:343-349.
26 Skinner JD, Carruth BR. A longitudinal study of children's juice intake and growth: the juice controversy revisited. J Am Diet Assoc 2001;101:432-437.
27 Dennison BA, Rockwell HL, Baker SL. Excess fruit juice consumption by preschool-aged children is associated with short stature and obesity. Pediatrics 1997;99:15-22.
28 Dennison BA, Rockwell HL, Nichols MJ, Jenkins P. Children's growth parameters vary by type of fruit juice consumed. J Am Coll Nutr 1999;18:346-352.
29 Dennison BA. Fruit juice consumption by infants and children: a review. J Am Coll Nutr 1996;15:4S-11S.
30 Raben A, Vasilaras TH, Møller AC, Astrup A. Sucrose compared with artificial sweeteners: different effects on ad libitum food intake and body weight after 10 wk of supplementation in overweight subjects. Am J Clin Nutr 2002;76:721-729.
31 Barr SI, McCarron DA, Heaney RP, Dawson-Hughes B, Berga SL, Stern JS, et al. Effects of increased consumption of fluid milk on energy and nutrient intake, body weight, and cardiovascular risk factors in healthy older adults. J Am Diet Assoc 2000;100:810-817.
32 Pereira MA, Jacobs DR Jr, Van Horn L, Slattery ML, Kartashov AI, Ludwig DS. Dairy consumption, obesity, and the insulin resistance syndrome in young adults: the CARDIA Study. JAMA 2002;287:2081-2089.
33 Nielsen SJ, Popkin BM. Changes in beverage intake between 1977 and 2001. Am J Prev Med 2004;27:205-210.
34 Berkey CS, Rockett HR, Willett WC, Colditz GA. Milk, dairy fat, dietary calcium, and weight gain: a longitudinal study of adolescents. Arch Pediatr Adolesc Med 2005;159:543-550.
35 Birch LL, Fisher JO. Development of eating behaviors among children and adolescents. Pediatrics 1998;101:539-549.
36 von Kries R, Koletzko B, Sauerwald T, von Mutius E, Barnert D, Grunert V, et al. Breast feeding and obesity: cross sectional study. BMJ 1999;319:147-150.
37 Owen CG, Martin RM, Whincup PH, Smith GD, Cook DG. Effect of infant feeding on the risk of obesity across the life course: a quantitative review of published evidence. Pediatrics 2005;115:1367-1377.
38 Kramer MS. Do breast-feeding and delayed introduction of solid foods protect against subsequent obesity? J Pediatr 1981;98:883-887.
39 Gillman MW, Rifas-Shiman SL, Camargo CA Jr, Berkey CS, Frazier AL, Rockett HR, et al. Risk of overweight among adolescents who were breastfed as infants. JAMA 2001;285:2461-2467.
40 Bigler-Doughten S, Jenkins RM. Adolescent snacks: nutrient density and nutritional contribution to total intake. J Am Diet Assoc 1987;87:1678-1679.
41 Cross AT, Babicz D, Cushman LF. Snacking patterns among 1800 adults and children. J Am Diet Assoc 1994;94:1398-1403.
42 Rolls BJ, Kim-Harris S, Fischman MW, Foltin RW, Moran TH, Stoner SA. Satiety after preloads with different amounts of fat and carbohydrate: implications for obesity. Am J Clin Nutr 1994;60:476-487.
43 Blundell JE, Macdiarmid JI. Passive overconsumption. Fat intake and short-term energy balance. Ann N Y Acad Sci 1997;827:392-407.
44 Drewnowski A. Energy density, palatability, and satiety: implications for weight control. Nutr Rev 1998;56:347-353.
45 Jahns L, Siega-Riz AM, Popkin BM. The increasing prevalence of snacking among US children from 1977 to 1996. J Pediatr 2001;138:493-498.
46 Zizza C, Siega-Riz AM, Popkin BM. Significant increase in young adults' snacking between 1977-1978 and 1994-1996 represents a cause for concern! Prev Med 2001;32:303-310.
47 Phillips SM, Bandini LG, Naumova EN, Cyr H, Colclough S, Dietz WH, et al. Energy-dense snack food intake in adolescence: longitudinal relationship to weight and fatness. Obes Res 2004;12:461-472.
48 Paeratakul S, Ferdinand DP, Champagne CM, Ryan DH, Bray GA. Fast-food consumption among US adults and children: dietary and nutrient intake profile. J Am Diet Assoc 2003;103:1332-1338.
49 Bowman SA, Gortmaker SL, Ebbeling CB, Pereira MA, Ludwig DS. Effects of fast-food consumption on energy intake and diet quality among children in a national household survey. Pediatrics 2004;113:112-118.
50 Berkey CS, Rockett HR, Field AE, Gillman MW, Frazier AL, Camargo CA Jr, et al. Activity, dietary intake, and weight changes in a longitudinal study of preadolescent and adolescent boys and girls. Pediatrics 2000;105:E56.
51 Nicklas TA, Baranowski T, Cullen KW, Berenson G. Eating patterns, dietary quality and obesity. J Am Coll Nutr 2001;20:599-608.
52 de Oliveira MC, Sichieri R, Venturim Mozzer R. A low-energy-dense diet adding fruit reduces weight and energy intake in women. Appetite 2008;51:291-295.
53 Epstein LH, Gordy CC, Raynor HA, Beddome M, Kilanowski CK, Paluch R. Increasing fruit and vegetable intake and decreasing fat and sugar intake in families at risk for childhood obesity. Obes Res 2001;9:171-178.
54 Wang Y, Ge K, Popkin BM. Why do some overweight children remain overweight, whereas others do not? Public Health Nutr 2003;6:549-558.
55 Field AE, Gillman MW, Rosner B, Rockett HR, Colditz GA. Association between fruit and vegetable intake and change in body mass index among a large sample of children and adolescents in the United States. Int J Obes Relat Metab Disord 2003;27:821-826.
56 Faith MS, Dennison BA, Edmunds LS, Stratton HH. Fruit juice intake predicts increased adiposity gain in children from low-income families: weight status-by-environment interaction. Pediatrics 2006;118:2066-2075.
57 Newby PK, Peterson KE, Berkey CS, Leppert J, Willett WC, Colditz GA. Dietary composition and weight change among low-income preschool children. Arch Pediatr Adolesc Med 2003;157:759-764.
58 Reichmann V. Does fruit and vegetable intake decrease risk for obesity in children and adolescents? Undergraduate Honors Theses 2009; Paper 8. http://digitalcommons. usu.edu/honors/8 (accessed May 1, 2009).
59 Zhou SS, Zhou Y. Excess vitamin intake: an unrecognized risk factor for obesity. World J Diabetes 2014;5:1-13.
60 Zhou SS, Li D, Zhou YM, Sun WP, Liu QG. B-vitamin consumption and the prevalence of diabetes and obesity among the US adults: population based ecological study. BMC Public Health 2010;10:746.
61 Li D, Sun WP, Zhou YM, Liu QG, Zhou SS, Luo N, et al. Chronic niacin overload may be involved in the increased prevalence of obesity in US children. World J Gastroenterol 2010;16:2378-2387.
62 McHenry EW, Gavin G. The B vitamins and fat metabolism: IV. The synthesis of fat from protein. J Biol Chem 1941;138:471-475.
63 Dennison BA, Edmunds LS, Stratton HH, Pruzek RM. Rapid infant weight gain predicts childhood overweight. Obesity (Silver Spring) 2006;14:491-499.
64 Rietjens IM, Boersma MG, Haan Ld, Spenkelink B, Awad HM, Cnubben NH, et al. The pro-oxidant chemistry of the natural antioxidants vitamin C, vitamin E, carotenoids and flavonoids. Environ Toxicol Pharmacol 2002;11:321-333.
65 Vanlint S. Vitamin D and obesity. Nutrients 2013;5:949-956.
66 vinh quốc Lu'o'ng K, Nguyễn LT. The beneficial role of vitamin D in obesity: possible genetic and cell signaling mechanisms. Nutr J 2013;12:89.
67 Lee HA, Kim YJ, Lee H, Gwak HS, Park EA, Cho SJ, et al. Association of vitamin D concentrations with adiposity indices among preadolescent children in Korea. J Pediatr Endocrinol Metab 2013;26:849-854.
68 Lee SH, Kim SM, Park HS, Choi KM, Cho GJ, Ko BJ, et al. Serum 25-hydroxyvitamin D levels, obesity and the metabolic syndrome among Korean children. Nutr Metab Cardiovasc Dis 2013;23:785-791.
69 Elizondo-Montemayor L, Ugalde-Casas PA, Serrano-Gonz¨¢lez M, Cuello-Garc¨ªa CA, Borbolla-Escoboza JR. Serum 25-hydroxyvitamin d concentration, life factors and obesity in Mexican children. Obesity (Silver Spring) 2010;18:1805-1811.
70 Grote V, Theurich M. Complementary feeding and obesity risk. Curr Opin Clin Nutr Metab Care 2014;17:273-277.
71 Weber M, Grote V, Closa-Monasterolo R, Escribano J, Langhendries JP, Dain E, et al. Lower protein content in infant formula reduces BMI and obesity risk at school age: follow-up of a randomized trial. Am J Clin Nutr 2014;99:1041-1051.
72 G¨¹nther AL, Buyken AE, Kroke A. The influence of habitual protein intake in early childhood on BMI and age at adiposity rebound: results from the DONALD Study. Int J Obes (Lond) 2006;30:1072-1079.
73 Ohlund I, Hernell O, Hörnell A, Stenlund H, Lind T. BMI at 4 years of age is associated with previous and current protein intake and with paternal BMI. Eur J Clin Nutr 2010;64:138-145.
74 Koletzko B. Early nutrition and its later consequences: new opportunities. Adv Exp Med Biol 2005;569:1-12.
75 Koletzko B, von Kries R, Closa R, Escribano J, Scaglioni S, Giovannini M, et al. Lower protein in infant formula is associated with lower weight up to age 2 y: a randomized clinical trial. Am J Clin Nutr 2009;89:1836-1845.
76 Bray GA, Popkin BM. Dietary fat intake does affect obesity! Am J Clin Nutr 1998;68:1157-1173.
77 Lichtenstein AH, Kennedy E, Barrier P, Danford D, Ernst ND, Grundy SM, et al. Dietary fat consumption and health. Nutr Rev 1998;56:S3-S19.
78 Kratz M, Baars T, Guyenet S. The relationship between high-fat dairy consumption and obesity, cardiovascular, and metabolic disease. Eur J Nutr 2013;52:1-24.
79 Van Itallie TB. Dietary fiber and obesity. Am J Clin Nutr 1978;31:S43-S52.
80 Kimm SY. The role of dietary fiber in the development and treatment of childhood obesity. Pediatrics 1995;96:1010-1014.
81 Anderson JW, Baird P, Davis RH Jr, Ferreri S, Knudtson M, Koraym A, et al. Health benefits of dietary fiber. Nutr Rev 2009;67:188-205.
82 Du H, van der A DL, Boshuizen HC, Forouhi NG, Wareham NJ, Halkjaer J, et al. Dietary fiber and subsequent changes in body weight and waist circumference in European men and women. Am J Clin Nutr. 2010;91:329-336.
83 Johnson L, Mander AP, Jones LR, Emmett PM, Jebb SA. Energy-dense, low-fiber, high-fat dietary pattern is associated with increased fatness in childhood. Am J Clin Nutr 2008;87:846-854.
84 Davis JN, Alexander KE, Ventura EE, Toledo-Corral CM, Goran MI. Inverse relation between dietary fiber intake and visceral adiposity in overweight Latino youth. Am J Clin Nutr 2009;90:1160-1166.
85 Kranz S, Brauchla M, Slavin JL, Miller KB. What do we know about dietary fiber intake in children and health? The effects of fiber intake on constipation, obesity, and diabetes in children. Adv Nutr 2012;3:47-53.
86 DeJongh ED, Binkley TL, Specker BL. Fat mass gain is lower in calcium-supplemented than in unsupplemented preschool children with low dietary calcium intakes. Am J Clin Nutr 2006;84:1123-1127.
87 Zemel MB. Regulation of adiposity and obesity risk by dietary calcium: mechanisms and implications. J Am Coll Nutr 2002;21:146S-151S.
88 Zemel MB. Role of dietary calcium and dairy products in modulating adiposity. Lipids 2003;38:139-146.
89 Davies KM, Heaney RP, Recker RR, Lappe JM, Barger-Lux MJ, Rafferty K, et al. Calcium intake and body weight. J Clin Endocrinol Metab 2000;85:4635-4638.
90 Zemel MB, Shi H, Greer B, Dirienzo D, Zemel PC. Regulation of adiposity by dietary calcium. FASEB J 2000;14:1132-1138.
91 Carruth BR, Skinner JD. The role of dietary calcium and other nutrients in moderating body fat in preschool children. Int J Obes Relat Metab Disord 2001;25:559-566.
92 Heaney RP, Davies KM, Barger-Lux MJ. Calcium and weight: clinical studies. J Am Coll Nutr 2002;21:152S-155S.
93 Skinner JD, Bounds W, Carruth BR, Ziegler P. Longitudinal calcium intake is negatively related to children's body fat indexes. J Am Diet Assoc 2003;103:1626-1631.
94 Fisher JO, Birch LL. Restricting access to palatable foods affects children's behavioral response, food selection, and intake. Am J Clin Nutr 1999;69:1264-1272.
95 Fisher JO, Birch LL. Restricting access to foods and children's eating. Appetite 1999;32:405-419.
96 Field AE, Austin SB, Taylor CB, Malspeis S, Rosner B, Rockett HR, et al. Relation between dieting and weight change among preadolescents and adolescents. Pediatrics 2003;112:900-906.
97 Birch LL, Davison KK. Family environmental factors influencing the developing behavioral controls of food intake and childhood overweight. Pediatr Clin North Am 2001;48:893-907.
98 Nicklas TA, Yang SJ, Baranowski T, Zakeri I, Berenson G. Eating patterns and obesity in children. The Bogalusa Heart Study. Am J Prev Med 2003;25:9-16.
99 Sallis JF, Glanz K. The role of built environments in physical activity, eating, and obesity in childhood. Future Child 2006;16:89-108.
100  Rampersaud GC, Pereira MA, Girard BL, Adams J, Metzl JD. Breakfast habits, nutritional status, body weight, and academic performance in children and adolescents. J Am Diet Assoc 2005;105:743-760.
101  Boutelle K, Neumark-Sztainer D, Story M, Resnick M. Weight control behaviors among obese, overweight, and nonoverweight adolescents. J Pediatr Psychol 2002;27:531-540.
102  Stunkard AJ, Allison KC. Two forms of disordered eating in obesity: binge eating and night eating. Int J Obes Relat Metab Disord 2003;27:1-12.
103  Haslam DW, James WP. Obesity. Lancet 2005;366:1197-1209.
104  F¨¢bry P, Tepperman J. Meal frequency--a possible factor in human pathology. Am J Clin Nutr 1970;23:1059-1068.
105  Toschke AM, K¨¹chenhoff H, Koletzko B, von Kries R. Meal frequency and childhood obesity. Obes Res 2005;13:1932-1938.
106  Dietz WH, Gortmaker SL. Preventing obesity in children and adolescents. Annu Rev Public Health 2001;22:337-353.
                                            Received July 22, 2014  Accepted after revision October 30, 2014
 
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