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Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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