Depression affects 300 million people worldwide, but there's good news: There are effective treatments. Here’s what you need to know about this debilitating mental disorder.

DISEASE
Even if you received the measles vaccine as a child, you may still need a booster shot to be totally immune.
High blood pressure guidelines have changed recently, which means Americans are more likely to receive a hypertension diagnosis than ever. Here are some essential facts about high blood pressure symptoms and causes.
Different types of hepatitis have different causes and treatments. Here's what you should know about hepatitis a, hepatitis b, hepatitis c, and other forms of the disease.
Asthma symptoms affect more than 25 million Americans, including 7 million children. But kids who grow up around animals are less likely to have an asthma diagnosis.