The first paper looks at the global drivers of the epidemic; the second paper analyses obesity trends in the USA and UK, and their impact on prevalence of diseases and healthcare spending. The third paper introduces a new web-based bodyweight simulation model, that incorporates metabolic adaptations that occur with decreasing bodyweight; and the final paper assesses the interventions needed to halt and reverse the epidemic. Its authors conclude that the changes needed are likely to require many sustained interventions at several levels, but that national governments should take the lead.

The prevalence of obesity in the United States has increased dramatically over the past 25 years. The recent National Health and Nutrition Examination Survey found that in the United States, more than one third of women are obese, more than one half of pregnant women are overweight or obese, and 8% of reproductive-aged women are extremely obese ( 1 ). The obesity problem is greatest among non-Hispanic black women (50%) compared with Mexican American women (45%) and non-Hispanic white women (33%) (1). Obesity is a health problem that causes many severe diseases, besides hampering your normal personal and social activities. It can be caused by both genetic and environmental factors.

Today, the way we prepare food and the no of time per day is totally different as compare with our ancestors did in the old time. During the old time, everything need to be cooked from scratch, but now with the help from modern equipments, the time and effort to prepare food became simple and faster. This is one of the reasons why now fast food restaurants dominate our diets. Each child has to contend with different factors in their lives. The causes of obesity are can also be viewed as being weakness, a lack of willpower or a lifestyle choice of overeating and not exercising enough.

Obesity occurs over time when you eat more calories than you use. The balance between calories-in and calories-out differs for each person. Factors that might affect your weight include your genetic makeup, overeating, eating high-fat foods, and not being physically active. A recent study may have turned national guidelines on people’s ideal weight on its head. Researchers found that overweight people have a lower all-cause mortality risk compared to those of normal weight Is Body Mass Index (BMI) a good measure? In some countries health authorities say the lower limit for BMI is 20, anything below it is underweight. Calculate Your BMI