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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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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Acid-base balance and imbalance. Acid-base balance and imbalance.
Acetoacetic acid Acetoacetic acid
Life cycle of norepinephrine (NE): (1) NE is synthesized from the amino acid tyrosine; (2) NE is ... Life cycle of norepinephrine (NE): (1) NE is synthesized from the amino acid tyrosine; (2) NE is ...
Chemical similarities between para-aminobenzoic acid and sulfonamides. Chemical similarities between para-aminobenzoic acid and sulfonamides.
Natural defenses against stomach acid. Natural defenses against stomach acid.
Draw a complete stepwise mechanism for the oxidation of benzil from benzoin using nitric acid. Draw a complete stepwise mechanism for the oxidation of benzil from benzoin using nitric acid.
Video: Role of the respiratory system - effect of altered ventilation rates

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