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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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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Thyroid conditions may make getting pregnant impossible.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Lyme Disease Concept Map
Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b