There are more bacteria in your mouth than there are people in the world.
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There are approximately 3 million unintended pregnancies in the United States each year.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
brain
Smelling with a Split Brain
Female roundworm. Roundworms have long, cylindrical bodies with a tough covering. Eggs laid by the ...