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You have a burning chest pain and a doctor looks at a squiggly-lined graph to determine the cause. That graph, an electrocardiogram (ECG or EKG), can help the doctor decide whether you're having a heart attack or an acid attack from last night's spaghetti. Correct interpretation may prompt life-saving, emergency measures; incorrect interpretation may delay care with life-threatening consequences. ...

As presidential candidates ramp up their primary campaigns, health care reform looms prominently among voters main concerns. A new study in the December 26 issue of the Journal of the American Medical Association, JAMA, provides the most comprehensive evidence to date that expanding coverage to people without it leads to demonstrable improvements in health........

A smoking-prevention strategy that targets black fourth-graders and their parents is under study in urban and rural Georgia. Scientists want to know if they can keep these children from smoking and help smoking parents quit, as per Dr. Martha S. Tingen, nurse researcher at the Medical College of Georgia's Georgia Prevention Institute, and Interim Program Leader for Cancer Prevention and Control, M...