Body & Mind

What? Driving with the top down may increase your risk for hearing loss

According to new research, it turns out that spending lots of time riding around with the top down doesn’t just put your hairdo at risk. A study presented at a meeting of the American Academy of Otolaryngology-Head and Neck Surgery Foundation this week in San Diego finds that regularly riding in a convertible without any ear protection

One surefire tip for a long and healthy life

Sometimes it seems that every day offers a new, contradictory health finding. One day screening for prostate cancer is recommended; the next it’s not. One day the hot new superfood is acai berries. The next it’s dark chocolate, red wine, or fatty fish. Just about every new diet plan or exercise regime raises doubts about effectiveness or …

All humans are mutants, a new study suggests

Researchers in Britain and China are using a new method to measure the rate of genetic mutation among humans — and it seems that all people in the world likely carry at least some new mutations.

For their study, published this week in the journal Current Biology, the researchers enlisted the help of two Chinese men whose families …

As early as age 10, kids feel pressure to have a “perfect body”

According to a study published in the journal BMC Public Health, children as young as 10- and 11-years-old already have notions about the ideal body. An analysis of more than 4,000 students from Nova Scotia revealed that young girls’ happiness with their body image is directly linked to how thin they are. Boys, on the other hand,

A mysterious decline in hip fractures

Hip fractures may be one of the most devastating injuries that humans face, but they’re also less frequent than they used to be. Today Canadian researchers announce that the hip-fracture rate fell 31.8% for Canadian women and 25% for Canadian men between 1985 and 2005. (A decline has also been noted in the U.S., but over a shorter …

Low-carb diets linked to vascular disease

Ever wonder how all that fat and protein in a low-carb diet could be good for you, even though you’re losing weight? A new study today in the journal Proceedings of the National Academy of Sciences suggests that, well, in fact, it isn’t.

Mice that were fed a high protein, high fat diet — designed to resemble a human low-carb diet …

In women, testosterone is linked to risky career choice

Women with high levels of the hormone testosterone tend to be less risk averse and more likely to pick risky business careers than women with lower testosterone levels, a new study shows. Researchers from Northwestern University and the University of Chicago took saliva samples in 2006 from roughly 500 MBA students at the University …

Do fancy running shoes do more harm than good?

If you’re a runner, odds are pretty good that you’ve been injured at some point in the last year or two. Journalist Christopher McDougall has an interesting and no doubt controversial explanation. It’s your shoes, he says. There’s too much of them: too much cushioning, too much arch support, too much stabilization, too much …

The chemicals in candles

Burning everyday paraffin-wax candles can emit a storm of toxic chemicals, including toluene and benzene, according to a study presented today to the American Chemical Society. To be sure, it’s nowhere near as harmful to light an occasional candle as it would be, say, to smoke a pack of cigarettes a day. But the researchers say that …

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