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Obesity may have historical roots dating back 1000 years, judging by the ever-increasing portion sizes in artists' renderings of the Last Supper....

Obesity prevention should start as young as infancy, according to a new study, which may require a change in cultural attitudes about chubby babies....

Junk food alters the brain's chemistry much like heroine or cocaine, according to a new study, meaning high-fat fare may be just as addictive....

Seaweed is a popular ingredient in many Asian dishes, from sushi to salads. Now, studies show that seaweed could also help curb obesity....

Exercise can seem laborious not just because of the physical effort involved, but because of the time it takes to get a proper workout. Now, a new study shows short bursts of activity are equally effective at...

Movie night often means a diet of popcorn, a large soda and a box of Junior Mints. Now, Hollywood execs are urging theaters to offer healthier alternatives....

Weight loss programs often require tremendous discipline to deliver real results. Now, a British company is taking a different approach, offering participants a cash payout for every pound they lose....

Obesity can increase damage to the liver caused by drinking alcohol, a new study shows, and in women can double the risk of liver disease....