Encephalitis is an inflammation of the brain. Although encephalitis sounds scary,
understanding its causes, symptoms, and treatment can help you feel prepared to deal
with it if you ever need to.
Generally, insect bites and stings are harmless. Find out how to keep pests from ruining
There's a 97% chance that someone you know will need a blood transfusion. Blood donors
— especially donors with certain blood types — are always in demand. Find out what's
involved in this article for teens.
About 5 million people a year get blood transfusions in the United States. This article
explains why people need them and who donates the blood used.