Popular flavored vape liquids like cinnamon may be toxic to the heart

A preclinical trial involving mice has found indications that the flavorings used in electronic cigarette liquids may be cardiotoxic. The researchers found popular flavors had a noticeable impact on heart cells that may lead to heart rhythm disorders, including vanilla custard, cinnamon, and the various fruit flavors. Electronic cigarettes — more commonly called ‘vapes’ — are small devices that use …