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Did you know?
The average adult has about 21 square feet of skin.
Did you know?
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.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.