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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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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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There are more bacteria in your mouth than there are people in the world.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t
Richard Spruce
Therapeutic index: (a) Drug X has a therapeutic index of 4. (b) Drug Z has a therapeutic index of 2.
Pacific Decadal Oscillation: PDO index
Factors in Food Security
Genes and Risk Factors for Alzheimer Disease