A growing body of evidence suggests that paying people to lose weight could be an effective treatment for obesity. While this would seem to imply that obesity is a lifestyle choice (a notion doctors have abandoned in recent years), it's probably not that simple.
World wide, One in eight people are obeseObesity rates among adults have more than doubled and among teens have more than quadrupled since 1990. Obesity is associated with an increased risk of heart disease, type 2 diabetes and some cancers.
Source: www.newscientist.com