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Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Did you know?
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
There are 60,000 miles of blood vessels in every adult human.