Penn State College of Medicine

A mans arm with a bug bite on it. (Photo: Getty Images)

Don’t Bug Me

Surviving Summer’s Biting Bugs Mosquito, bee and spider bites can bring summer fun to a standstill. While many are simply as annoying as a pesky fly, others can cause more serious conditions.   “There are a lot of urban legends out there,” said Dr. Christopher Heron, an
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A woman stares out a window. Behind her, in the foreground, a glass of wine sits next to a bottle. (Photo: Getty Images)

Bad Genes

More Genes Found with Link to Addictions Many human diseases, such as tobacco and alcohol addictions, are heritable. Until now, little has been known about what genetic factors contribute to these addictions, and if they put people at risk of inheriting other medical conditions.
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Macular degeneration can only be diagnosed with a dilated eye examination. (Photo: zoran/Getty Images)

Eye Health

Are You at Risk for Macular Degeneration? Many people accept deteriorating eyesight as an inevitable part of getting older, but blurry or distorted vision – such as when straight lines appear wavy – could be signs of age-related macular degeneration. The condition is the most
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