Nicotine is harmful for cardiovascular health no matter whether it is consumed through smoking a cigarette or chewing tobacco, a major review published in Nature Reviews Cardiology today found. While novel nicotine products – such as e-cigarettes or nicotine pouches – eliminate the smoke and combustion, they are still harmful for the heart.
The review does not suggest that all nicotine products carry the same level of risk. Conventional cigarettes and waterpipes remain the most harmful, largely because of the toxic chemicals produced by combustion. But the authors argue that moving away from smoke does not eliminate cardiovascular harm.