throat irritation from smoking cigarettes on Fire: Can Cause Sore Throat? Smoking, Tobacco, E-Cigarettes and Oral

Even then, as noted by the study, "Over half of those who used e-cigarettes to try to quit were still using e-cigarettes." So long as SmokeFree.gov is encouraging tweeting of the message "You have options

Cardiovascular diseases, lung cancer, and chronic obstructive pulmonary disease are associated with prolonged exposure to tobacco smoke

If you're quitting nicotine, the most effective evidence-based approaches combine behavioral tools (like the ones above) with nicotine replacement therapy (NRT) or prescription medication

Less is known about second hand vapour, but early studies suggest that it may be harmful