Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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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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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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