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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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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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When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

The Murray Cod is Australia's largest wholly freshwater fish. The Murray Cod is Australia's largest wholly freshwater fish.
A Whale shark, the world's largest fish, is classified as Vulnerable. A Whale shark, the world's largest fish, is classified as Vulnerable.
Structures of the lymphatic pathway from smallest to largest. Structures of the lymphatic pathway from smallest to largest.
U.S. adults from 25 to 74 years report that the largest proportion of their daily stressors arise ... U.S. adults from 25 to 74 years report that the largest proportion of their daily stressors arise ...
GDP per Capita by Country Group, 1820–2008 GDP per Capita by Country Group, 1820–2008
A group of children were asked how many hours a day they spend watching television. A group of children were asked how many hours a day they spend watching television.
Video: Helper T cell receptors, activation, proliferation, differentiation & action

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