Penn State Health

Shingles is caused by the varicella-zoster virus, the virus that causes chickenpox. It lies dormant in the nervous system then reemerges as painful rashes. Read More

All meats contain tryptophan. It's a myth that turkey contains more. In fact, there isn’t any more tryptophan in a Thanksgiving turkey than a wild boar roast. Read More

One in five Americans suffers from gastroesophageal reflux disease (GERD), commonly known as acid reflux. A doctor discusses GERD and a new treatment. Read More