The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Infant and neonatal mortality, 1940 - 2003.
Children in a kibbutz.
(a) The phagocytic process, beginning in the upper left with bacterial attachment and phagocytic ...
Everyone—from children to adults—can help eradicate hunger