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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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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Succession in the intertidal zone involves colonization and competition for limited space among spec Succession in the intertidal zone involves colonization and competition for limited space among spec
Many households today include young adults who have not moved out of their parents’ homes (or who ... Many households today include young adults who have not moved out of their parents’ homes (or who ...
Sample Exercise Program for Limited Older Adults Sample Exercise Program for Limited Older Adults
Two stubby screwdrivers used to access screws that have limited space above. A straight blade is on ... Two stubby screwdrivers used to access screws that have limited space above. A straight blade is on ...
(a) Varicella zoster virus recurring as shingles, a painful rash limited to an area enervated by 1 ... (a) Varicella zoster virus recurring as shingles, a painful rash limited to an area enervated by 1 ...
Minerals are nonrenewable resources in limited supply Minerals are nonrenewable resources in limited supply
Video: The Nerve Impulse

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