does smoking cigarettes cause low sperm count The effects of cigarette on male fertility Sperm concentration and semen volume

So all that Its harm has been proven

It is called the Smoking Ban and includes enclosed workplaces and bars and restaurants

(2023), zinc levels were significantly lower in smokers, accompanied by more sperm DNA fragmentation

Some argue that e-cigarettes are a good substitute for regular cigarettes, and in some countries they are even promoted as a smoking cessation devices, but the CDC says that e-cigarettes are not safe for youth, young adults, and pregnant women, as well as adults who do not currently use tobacco products. A BMJ study published in February found that people who used e-cigarettes to quit smoking found them to be less helpful than more traditional smoking cessation aids