|
|
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
There are approximately 3 million unintended pregnancies in the United States each year.