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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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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Effect of pH on drug absorption: (a) a weak acid such as aspirin (ASA) is in a nonionized form in an Effect of pH on drug absorption: (a) a weak acid such as aspirin (ASA) is in a nonionized form in an
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