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ER visits on the rise, study reports

(HealthDay)—The number of emergency department visits in the United States rose from about 130 million in 2010 to a record 136 million in 2011, according to the U.S. Centers for Disease Control and Prevention.

9 hours ago
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Doctor behind 'free radical' aging theory dies

Dr. Denham Harman, a renowned scientist who developed the most widely accepted theory on aging that's now used to study cancer, Alzheimer's disease and other illnesses, has died in Nebraska at age 98.

10 hours ago
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