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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.