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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
Did you know?
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Did you know?
The average adult has about 21 square feet of skin.