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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?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.