well. . . it would have to depend on what you wanted to know, most obese people are overweight because they do not eat the right kinds of food, and they eat too much of the wrong kind of food....
Reducing obesity. In the UK the prevalence of obesity has increased steadily during the last 50 years and during the 1980s the proportion of obese people doubled. In England, in 1993, 13% of men and...
Go to http://www.stop-childhood-obesity.com/childhood-obesity-statistics.html
It lists everything from history, to state, national, and even international trends. Other pages on the site explain the...