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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.