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Author Question: Kandy Harts manufactures custom T-shirts. Each T-shirt can be imprinted front and back with photos, ... (Read 18 times) |
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.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.