An e-cigarette is a device that produces smoke by heating a liquid. Unlike traditional tobacco products, it does not burn tobacco, thus avoiding the risk of creating secondhand smoke. The liquid in e-cigarettes, which contains only some air, glycerin, flavoring and nicotine, is heated by a heater to produce a smoke of water vapor, rather than the smoke produced by traditional cigarettes.
For people around, without the harmful substances contained in traditional tobacco, the composition of e-cigarette liquid is more simple and clear, compared to the second-hand smoke produced by traditional tobacco, the smoke produced by e-cigarette liquid is relatively safe.
Although the secondhand smoke problem of e-cigarettes is not as serious as the secondhand smoke produced by traditional tobacco, there are still some studies that suggest that some components of e-cigarette liquid may cause allergic reactions in some people and pose certain health risks.
E-cigarettes pose less risk of secondhand smoke than traditional tobacco products, but they still need to be used carefully in order to protect the health of people around them.