Common low-calorie sweetener linked to heart attack and stroke, study finds KSL.comAnother popular low-calorie sweetener increases risk of heart attacks and strokes, Cleveland Clinic researche cleveland.comPopular sweetener found in many snacks may have deadly consequences New York Post Sugar substitute xylitol linked to increased risk of heart attack, stroke The Washington PostSweetener xylitol linked to higher risk of heart attacks and strokes New Scientist