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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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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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