cigarette smoke causes headaches Association between secondhand exposure and severe or migraine in never‐smoking adults - Wu - 2023 - Headache: The Journal of Head and Face Pain Smoking and High Blood Pressure:

However, researchers warned that tax increases introduced in recent years have not kept cigarette prices high enough relative to inflation and purchasing power to maintain their intended public health impact

For example, nicotine patches replace the nicotine from cigarettes and help treat the urge

"We also looked at the amounts that current smokers were smoking, and we did see an increase in prostate cancer mortality if you smoked more cigarettes." The link between smoking and prostate cancer extends to former smokers

It is to replace cigarettes with a less harmful alternative that still satisfies nicotine cravings