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Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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Medication errors are more common among seriously ill patients than with those with minor conditions.

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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Drawing of spirochete's mobility system (with internal flagellae). Drawing of spirochete's mobility system (with internal flagellae).
General hand massage. Include (A) metacarpal mobilizations and (B) gentle finger pulls. (C) Press ... General hand massage. Include (A) metacarpal mobilizations and (B) gentle finger pulls. (C) Press ...
Christmas kids drawing Christmas kids drawing
New year kid drawing New year kid drawing
Three years old drawing Three years old drawing
Video: Neural Reflex Arc Animation

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