Research into the long-term effects of using electronic cigarettes has often had potentially tainted results due to the possible impact of the research subjects’ previous history of smoking. A new study sought to address those concerns and identified vapers who had never smoked tobacco cigarettes. The researchers were interested in finding out how those vapers would be affected in the long term. Participants were followed over a period of three and a half years. Several factors, such as heart rate, lung function and heart rhythm were monitored during that time. The results showed that there was no difference between those who vaped and the control group that neither smoked nor vaped. These findings are good news for those who were uncertain about what may happen to them if they use e-cigs for a long time. However, longer term studies need to be conducted in order to ascertain the effects of vaping over longer durations than what this study covered.