Archive · 17 Dec 2025
E-cigarettes linked to higher heart attack risk, says ICMR study
A big study by Indian scientists found that people who use e-cigarettes have a much higher chance of having a heart attack or stroke.
This is true even if they used to smoke regular cigarettes and switched to e-cigarettes.
The study looked at over 1.2 million people and found that e-cigarettes are not a safe alternative to smoking.
Nicotine, which is in both regular cigarettes and e-cigarettes, is very bad for your heart and blood vessels.
The scientists say the best thing to do is to quit all tobacco and nicotine products completely, not just switch to e-cigarettes.
India has already banned e-cigarettes, and the study supports this decision.
The scientists also say that people need better help to quit smoking, like counseling and medicines that don't have nicotine.
E-cigarette users have a 53% higher risk of heart attacks compared to non-users.
Former smokers who switched to e-cigarettes face 2.52 times higher heart attack risk and 1.73 times higher stroke risk compared to those who quit tobacco entirely.
The study analyzed data from over 1.2 million participants across 12 studies.
Nicotine damages the heart and blood vessels regardless of the delivery method.
India's 2019 decision to ban e-cigarettes is supported by the study's findings.
- Who
- Researchers at the Indian Council of Medical Research-National Institute of Cancer Prevention and Research (ICMR-NICPR)
- What
- A study linking e-cigarettes to increased heart attack and stroke risks
- When
- Published in BMC Public Health
- Where
- India
- Why
- To assess the cardiovascular risks of e-cigarettes compared to non-users and former smokers
- Study Participants
- Over 1.2 million
- Increased Heart Attack Risk
- 53% higher for e-cigarette users
- Stroke Risk
- 1.73 times higher for former smokers who switched to e-cigarettes
- Heart Attack Risk for Switchers
- 2.52 times higher for those who switched from conventional cigarettes to e-cigarettes
- Study Publication
- BMC Public Health
- Lead Author
- Dr. Ruchika Gupta, ICMR-NICPR
- Senior Author
- Dr. Shalini Singh, ICMR-NICPR
- Nodal Officer
- Dr. Prashant Kumar Singh, ICMR-NICPR