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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).