Times of India | E-cigarettes 'may not' cut heart disease risk Times of India A new research has revealed that nicotine, which is the major addictive substance in cigarette smoke, contributes to smokers' higher risk of developing atherosclerosis, the primary cause of heart attacks. Chi-Ming Hai from Brown University said the ... E-cigarettes may not be able to prevent heart attacks E-cigarettes may not significantly cut heart disease risk |