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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?
According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.

