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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 first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Mammography. (a) A health-care professional assists the patient to ensure the breast is placed ideal
Labeling of black cohosh: (a) front label with general health claim
Standard Precautions for the Care of all Patients in All Health Care Settings
Smoking and emphysema pathogenesis
Administrative and Clinical Procedures for the Canadian Health Professional, 4/E
Risks Associated With Smoking