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New guidelines recommend that doctors calculate BMI of all patients.
Growing fatness could add the weight of an extra billion people.
Two studies show how sleep deprivation can increase food cravings and reduce appetite control.
Waist size could help target overweight people most at risk of diabetes.
Visual cues that indicate serving size in snack food could help you avoid eating too much.
In addition to causing weight gain and diabetes, high-fructose corn syrup may affect your memory.
A mismatch between our internal and social clocks is linked to higher weight.
Men given hormone replacement therapy lost weight, but doctors call for more research.