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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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Video: Stomach peristalsis - Movement of Food Through the Small Intestine

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