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Ariana Eunjung Cha

Chronic fatigue syndrome resembles hibernation

One of the most spectacular feats of such creatures as bats, bees and snakes is hibernation. For months at a time, these animals essentially go into power-save mode. Their temperature drops,...

Formula for physical activity: 8 hours of sitting means 1 hour of exercise

If you fear you’re doing irreparable damage to your body because your white-collar job keeps you sitting at your desk from 9 to 5, or you regularly spend entire weekends sprawled out on your...

Teen birth rate hits all-time low

Decline led by 50 percent drop among Hispanics and blacks

Large-scale study: Short men and overweight women get a raw deal in life

Many destined to make less money than their taller, fitter peers

Sleep deprivation can give you the ‘marijuana munchies’

WASHINGTON – If you’ve pulled an all-nighter and spent the next day feeling ravenously hungry as if you were in the movie “Harold & Kumar Go to White Castle,” scientists may have just figure...

Can you be fit but fat? Researchers say it may be a myth

One of the most controversial ideas in medical science today is whether people can really be fat and fit. That is, is weight in itself a marker of health – or simply a suggestion of a person...

Men may overeat like cavemen to woo women

Maybe it’s because of our evolution from the era of cavemen when the strongest and fastest hunters would have the biggest bounty to eat. Or maybe it’s just another example of the male perce...

Antioxidants may give boost to cancer cells

Since the term “antioxidants” made the leap from the realm of biochemistry labs and into the public consciousness in the 1990s, Americans have come to believe that more is better when it com...

Scientists report major step in development of universal flu vaccine

Whenever Francis Collins, director of the National Institutes of Health, speaks about pressing medical needs he often brings up the universal flu vaccine. One of the costliest public health ...

New study shows that the happiness of a first-time parent falls after baby arrives

Life has its ups and downs, but parenthood is supposed to be among the most joyous. At least that’s what the movies and Target ads tell us. In reality, it turns out that having a ...

Study finds teen pot use not linked to health issues

With the widespread availability of marijuana in recent years thanks to its legalization in a growing number of states, there has been increasing concern about the long-term health consequen...

Does early fatherhood lead to early death?

Could fatherhood literally kill you? Researchers have observed for a long time that men who have children at a young age tend to die earlier. But this finding has been mostly dism...