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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Tree species richness in North America is correlated with evapotranspiration rate. Tree species richness in North America is correlated with evapotranspiration rate.
Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a
How Mendel’s theory accounts for the results of his experiment on the inheritance of seed color in ... How Mendel’s theory accounts for the results of his experiment on the inheritance of seed color in ...
Latin America in the Global Economy Latin America in the Global Economy
Estimated New Cases of Selected Cancers in the USA, 2012 Estimated New Cases of Selected Cancers in the USA, 2012
Video: DNA close up Animation

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