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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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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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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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
Arteries and arterioles.
Comparative structure of arteries, capillaries, and veins.
True-color image of layers of haze in Titan's atmosphere.