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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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Excessive alcohol use costs the country approximately $235 billion every year.

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Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

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Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Sequential decline of whale catches in the Antarctic shows the strong effect of human predators. Sequential decline of whale catches in the Antarctic shows the strong effect of human predators.
The Greenhouse Effect The Greenhouse Effect
The Greenhouse Effect The Greenhouse Effect
Peanut Butter Bread Peanut Butter Bread
Dry Yeast Dry Yeast
Greenhouse effect. Greenhouse effect.
Video: Major Elements in Biological Molecules: Carbohydrates

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