SCIENCE

Could paying people to lose weight help tackle obesity?


Nutritious produce can be expensive

Gary John Norman/Getty Images

A growing body of evidence suggests that paying people to lose weight could be an effective treatment for obesity. While this seems to imply that the condition boils down to just lifestyle choices – an idea doctors have moved away from in recent years – it probably isn’t that simple.

Worldwide, 1 in 8 people have obesity, a figure that has more than doubled among adults and quadrupled among teenagers since 1990. Obesity is linked to a higher risk of heart disease, type 2 diabetes and some types of cancer,…



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