Studies have revealed that marijuana smoke has cancer-producing hydrocarbons and is particularly an irritant into the lungs. Marijuana people are likely to inhale a lot more deeply and keep their breath for a longer period than tobacco smokers do, which further boosts lung exposure for the smoke. 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 https://helpmehigh.com/