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Author Question: College students faced with unsolvable problems eventually give up and make only half-hearted ... (Read 65 times) |
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.