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

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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The FDA recognizes 118 routes of administration.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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