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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
The average office desk has 400 times more bacteria on it than a toilet.
Approximately 25% of all reported medication errors result from some kind of name confusion.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.