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Did you know?
According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).