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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?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%