HIV infection is a condition caused by the human immunodeficiency virus (HIV). The condition gradually destroys the immune system, which makes it harder for the body to fight infections.
This article provides a general overview. For more detailed information, see:
Human immunodeficiency virus infection
The human immunodeficiency virus (HIV) can be spread by...Read more
Kids have doubled the number of snacks they eat in a day The snacks they prefer are higher in calories than they were 20 years ago The... Read more »
Asthma Fast Facts: Over 9 million U.S. children under 18 years of age (13%) have ever been diagnosed with asthma, and 6.5 million children... Read more »