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Perk up: Drinking coffee is safe, despite confusing studies

Perk up: Drinking coffee is safe, despite confusing studies

Health
Sept. 10 (UPI) -- Americans drink an average of three cups of coffee a day -- in the morning as a wake-up jolt, during the afternoon for a workday treat and at night for energy to pursue activities before going to bed. Studies have shown the ingredients from the roasted bean can increase mental alertness, memory, stamina and concentration. But they also can heighten anxiety and stress and cause stomach problems in some people. Studies have shown potential health benefits of drinking coffee to prevent diseases -- but also suggested the risk of certain conditions, including cancer. Scrutiny has intensified recently as a California state judge ruled that coffee companies must use labels to warn customers that the carcinogen acrylamide is created during the roasting process. Does all of this...