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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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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Optimum Temperature of Enzymes Optimum Temperature of Enzymes
Body Temperature Responses Body Temperature Responses
Integumentary regulation of body temperature. Integumentary regulation of body temperature.
Transmission of recessive disorders (25% chance for an affected child). Transmission of recessive disorders (25% chance for an affected child).
The density of Pb(s) is 11.34 g/cm3. Pb(s) exists in the cubic-closest packed structure The density of Pb(s) is 11.34 g/cm3. Pb(s) exists in the cubic-closest packed structure
Physics - Pressure, Density, Pascal's Principle Physics - Pressure, Density, Pascal's Principle
Video: Major Elements in Biological Molecules: Proteins

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