Archaeologists have suggested that Stone Age people sometimes ate one another for nutritional reasons. But a new study suggests that from a calorie perspective, hunting and eating other humans wasn't efficient.
A woman farmers harvests pearl millet in Andhra Pradesh, India. Millets were once a steady part of Indians' diets until the Green Revolution, which encouraged farmers to grow wheat and rice. Now, the grains are slowly making a comeback.
Courtesy of L.Vidyasagar
Physical exercise, diet and supportive counseling are the first steps of any weight-loss program. But sometimes that's not enough to take large amounts of weight off, and keep it off, doctors say.
Parents of children who are extremely finicky may find it useful to seek help, psychologists say, because some kids won't outgrow the behavior on their own. But don't make the table a battlefield.
A meta-analysis found that people on vegetarian diets lost around 4.4 pounds more than the control group (who had no change in diet), while those who went vegan dropped 5.5 pounds more.
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