A staggering 60 per cent of teenage girls are obese by the time they reach 16, according to research that measures wa istlines rath er than BMI. The waist of the average year-old girl has expanded nearly 13cm 5in in the past two decades, according to a study which finds that many children are even fatter than previously thought. Recent statistics which judge obesity by BMI seem to have indicated there has been a levelling off in child obesity. However, these numbers do not take into account waist circumference.
A STONE teenager who blames her parents for making her obese has begged her family to join her on a diet to shift some serious weight. Appearing on Channel 5's It's Your Fault I'm Fat, year-old Libby, from Gosport in Hampshire, says comfort eating has what has caused her to pile on the pounds - as well as "snacking" on loaves of bread. Having struggled with her weight since she was a child, Libby opened up about cruel school bullies who would make fun of her "double chin" and label her a "whale".
1. Introduction: Adolescence, a Critical Period to Modify Obesity Risk
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When it comes to moving around and burning calories, there's a marked drop off when puberty hits - and that could be causing problems. Scientists believe the reason why teens put on 'puppy fat' is because they are burning off dramatically fewer calories than in their younger years. Research has revealed that teenagers burn up to fewer calories a day during puberty than younger children - and it's hoped the findings could help explain why obesity is increasing. When children reach puberty, according to the study which spanned 12 years, girls and boys experience a rapid drop in the number of calories they burn, at a time when the number would be expected to rise with the growth spurt. The research by Professor Terry Wilkin, of the University of Exeter, found that at 15, teens use to fewer calories while at rest per day than when they were 10 - a fall of around a quarter. For comparison, a McDonald's Big Mac burger contains calories and it would take an hour of Zumba to burn calories through exercise. The study also found that teenagers exercise less during puberty , adding to the calorie excess that underlies obesity.