In Focus:

Six Foods that Nourish Your Hair and Skin from Within

According to a recent survey, if you’re a woman, you’ll spend nearly $4,000 per year, or $250,000 over the course of your life, on beauty products like hair care, makeup, lotions and creams. Research shows that beautiful skin and hair is more about what you put in your body not on it. A less expensive — and more effective — way to get gorgeous is with adequate sleep, daily sun protection, and a healthy, balanced diet.

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Retrograde ejaculation: Dry Orgasm

Retrograde ejaculation occurs when semen enters the bladder instead of emerging through the penis during orgasm. Although you still reach sexual climax, you might ejaculate very little or no semen. This is sometimes called a dry orgasm. Retrograde ejaculation isn't harmful, but it can cause male infertility. Treatment for retrograde ejaculation...

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Daytime wounds 'heal more quickly'

Wounds heal more quickly if they occur during the day rather than after dark, a study suggests. It found burns sustained at night took an average of 28 days to heal, but just 17 for those that happened in daytime. The team, at the UK's MRC Laboratory of Molecular Biology, said they...

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Why science says you should go outside (even when it's cold)

When the weather forecast reveals digits lower than your shoe size, it can take everything you have just to scrape up enough gumption to get off the couch. That’s because, when there’s a deep freeze going on, it’s only natural to want to hibernate, says John Sharp, M.D., a clinical psychiatrist,...

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