Smoking e-cigarettes is harmful.
The main ingredients in e-cigarettes are nicotine, propylene glycol, and some flavors that produce a cigarette-like flavor. Nicotine constricts blood vessels, increases blood pressure, and puts pressure on the heart. The nicotine contained in one cigarette can poison a mouse, and the nicotine in 20 cigarettes can poison a cow.?
A Swedish study showed that smoke from e-cigarettes is carcinogenic to the bladder and lungs of rodents, and has a negative effect on the heart. In addition, products high in nicotine can cause mutations in sperm if used for long periods of time.?
The U.S. Food and Drug Administration (FDA) commissioned the U.S. National Academies of Sciences, Engineering and Medicine to conduct a study on e-cigarettes, synthesizing 800 public **** health and medical studies on e-cigarettes, and further pointing out that, although e-cigarettes are tar-free, they still have a wide range of other carcinogens, and that the secondhand smoke they produce is just as harmful.
Extended information
Market regulation of e-cigarettes:
Finland is the world's most stringent e-cigarette regulator, followed by Hungary and Greece, which tax and regulate public **** use strictly. The European Union itself has begun to consider tightening e-cigarette regulation.?
Sweden, on the other hand, represents the most lenient regulation of e-cigarettes, with the Supreme Administrative Court recently publishing a ruling that prohibits the Swedish Medical Products Authority from exercising full control over e-cigarettes.?
On the attributes of e-cigarettes, China currently has no clear legal definition, the regulation of e-cigarettes lack of clear institutional norms, there is an obvious legal gap. According to China's "Tobacco Monopoly Law" relevant provisions: tobacco monopoly products only include cigarettes, cigars, tobacco, tobacco, cigarette paper and so on. E-cigarettes are not listed, which also led to the product has been sold as electronic medical equipment, rather than tobacco products.
People's Daily Online - E-cigarettes can cause cancer, still dare to smoke it