Penn State College of Medicine

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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Most smokers know that smoking causes breathing problems and lung cancer, but they may not be aware of the other health problems it can cause. (Photo: gunnerl/Getty Images)

Health Risks

Smoking Risks Are More Than Lung Cancer Doctors ask patients about smoking habits for the same reason they check weight, blood pressure, breathing and heart beat during a visit. The answers – much like the results of the other checks – provide information that offers clues to
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