News briefs: Sugary beverages raise diabetes risk; coffee and tea don’t

Sugar-sweetened beverages, whether caffeinated or decaffeinated, appear to be associated with higher risks of developing type 2 diabetes in both men and women. Coffee and tea appear to reduce the risk of developing type 2 diabetes.

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Cardiac exercise stress testing: What it can and cannot tell you

Experts do not recommend routine cardiac stress testing in otherwise healthy people to check for hidden heart problems. But the procedure is useful for diagnosing chest pain, unexplained fatigue, and other possible signs of heart disease.

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News briefs: Smartphone applications not always reliable to assess skin cancer

Phone applications that monitor suspicious moles for the deadly skin cancer melanoma may not be reliable. In a study, three out of four applications incorrectly classified 30% or more melanomas as unconcerning.

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