A study assessing the obesity prevalence in 12701 Saudi children aged 1-18 years showed that females have higher obesity prevalence than males (2). A study of the body mass index (BMI) of 1766 secondary school students showed that females are more likely to be overweight while males are likely to be obese (3). A national overweight and obesity prevalence study of children aged 13 to 18 years reported that there were no significant difference in the prevalence of overweight between boys and girls (19.9% vs 19.2%), but boys had a significantly higher prevalence of obesity (9% vs 6.8%) (4).

( think of another theme to add and look for references to match)