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Did you know?
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.
Did you know?
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.