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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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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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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th
South American Goliath birdeater
This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
American Lives: Davy Crockett
Two language centers of the brain
Dolphin’s ability to understand an artificial language