If you were laid up with the flu this year, you didn't have as much company. This past flu season was a mild one, according to the Centers for Disease Control and Prevention.

A long life may be a product of your genes and their influence on personality.  Genetic influences on personality traits, like positive outlook and emotional expression, were linked to living to be 100 years old.

Astrocytes are supporting cells that are protective and do housekeeping for neurons in the brain.  Beta amyloid build up in Alzheimer’s disease (AD) may cause the astrocytes to defend themselves.

While exposure therapy remains the first line of defense for post-traumatic stress disorder, it remains an imperfect treatment. But an inexpensive drug may enhance its effectiveness.

Gastrointestinal cancers show up anywhere along the digestive tract. And while risk factors for each organ vary, a separate group of people appear to be at greater risk.

People with rheumatoid arthritis face a higher risk of heart disease. If doctors can identify which patients are most at risk, they can take steps to prevent this potentially deadly complication of rheumatoid arthritis.

For most women, prenatal screening is important. Prenatal screening enables doctors to detect diseases or conditions in a growing baby before it is born.

A class of drugs called CCR5 antagonists has revolutionized the care of HIV patients. These meds slow the disease from progressing to full-blown AIDS. A new preclinical study demonstrates these drugs may also be useful in cancer.

Having sex can be quite the workout. It can take the wind right out of you. If you have chronic obstructive pulmonary disease ( COPD ), shortness of breath might be an even bigger problem during sex.

You probably don't think too deeply about what's in your gut at any given moment. But it's home to a wild and diverse community of microbes, and now - fungi.