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June 30th, 2010
04:01 PM ET

Why HIV exposure at hospital may have happened

A lapse in protocol for cleaning dental tools is linked to possible HIV and hepatitis exposure at a Missouri veterans hospital.

At issue, reportedly, is that the instruments were hand-washed before being put in a sterilizing machine. But how is that bad?

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June 30th, 2010
02:03 PM ET

Group urges ban of 3 common dyes

The Center for Science in the Public Interest (CSPI) says food dyes pose a number of risks to the American public and is calling on the Food and Drug Administration (FDA) to ban three of the most commonly used dyes: Red 40, Yellow 5 and Yellow 6.  A new CSPI report says those dyes contain known carcinogens and contaminants that unnecessarily increase the risks of cancer, hyperactivity in children and allergic reactions.

"These synthetic chemicals do absolutely nothing to improve the nutritional quality or safety of foods, but trigger behavior problems in children and, possibly, cancer in anybody," said CSPI executive director Michael Jacobson, co-author of the report. "The Food and Drug Administration should ban dyes, which would force industry to color foods with real food ingredients, not toxic petrochemicals."

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June 30th, 2010
01:08 PM ET

Researchers find gene linked to hair loss

Researchers at Columbia University Medical Center believe they have found the genetic basis of alopecia areata, an autoimmune disease that attacks hair follicles and causes people to lose their hair.

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June 30th, 2010
01:05 PM ET

How to stay safe in a hurricane

Hurricane Alex has already hit part of South Texas, ahead of schedule.

The Centers for Disease Control and Prevention has these resources for preparing for hurricanes and other extreme environmental events.

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June 30th, 2010
11:29 AM ET

Drinking during pregnancy may hurt sons' fertility

Scientists have found another reason that women should avoid alcohol during pregnancy: It could affect their sons’ ability to father their own children in the future.

Researchers in Denmark found prenatal exposure to alcohol may lead to long effects on a fetus’ sperm quality.

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About this blog

Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.

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