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By Neil Bowdler
Science reporter, BBC News

Study's author
The strain of the HIV virus which predominates in the United States and Europe has been traced back to Haiti by an international team of scientists.

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Belly fat hasn't always been your problem — you've worried more about hips and thighs. Now your midsection's making up for lost time. What's up?
Whether it's because of heredity, hormonal changes or aging-related weight gain, many women notice an increase in belly fat as they grow older — and especially after menopause. Gaining fat in your abdomen is particularly unhealthy when compared to other locations in your body. Excess belly fat increases your risk of cardiovascular disease, diabetes and certain types of cancers. The good news is that a few lifestyle changes and some targeted abdominal exercises can help you battle your belly bulge.

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Acupuncture involves inserting thin needles into your skin to relieve pain. Find out how acupuncture works and what conditions it can treat.

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A new study finds that men who eat whole-grain cereal for breakfast may reduce their risk of heart failure.

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