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Author Question: Men impute more sexual meaning to gestures (such as casual touching) that women perceive as friendly ... (Read 42 times) |
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
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.
People about to have surgery must tell their health care providers about all supplements they take.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.