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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
Did you know?
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."