We often think of chickenpox as a children's illness, but in reality, anyone can be affected. The virus can live dormant in your system for years only to flare up decades later as shingles, a painful ...

WASHINGTON — A vaccine to fight dementia? It turns out there may already be one – shots that prevent painful shingles also appear to protect aging brains. A new study found shingles vaccination cut ...

People who caught the flu were up to six times more likely to have a heart attack in the month after the infection.