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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.