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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Did you know?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).