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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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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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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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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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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Lysosomes Isolate Digestive Enzymes from the Cytoplasm 2 Lysosomes Isolate Digestive Enzymes from the Cytoplasm 2
The digestive system. The digestive system.
The gastrointestinal tract and the process of digestion. The gastrointestinal tract and the process of digestion.
Organs of the Digestive System Organs of the Digestive System
Summary of the digestive enzymes Summary of the digestive enzymes
Incomplete Digestive System Incomplete Digestive System
Video: Hershey Chase Experiments

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