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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

I miss you, text I miss you, text
The main avenue to the upward social mobility reviewed in the text has been higher education. The main avenue to the upward social mobility reviewed in the text has been higher education.
Gate control theory. A. open gate, B. closed gate Gate control theory. A. open gate, B. closed gate
Afterload is the pressure that the ventricles must overcome in order to open the aortic and pulmonic Afterload is the pressure that the ventricles must overcome in order to open the aortic and pulmonic
Open Faced Ham Sandwich Open Faced Ham Sandwich
The coefficient of the restitution of an object is defined as the ratio of its outgoing to ... The coefficient of the restitution of an object is defined as the ratio of its outgoing to ...
Video: Neurosynapse Animation

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