True, those boards can be violent but people tend to get aggressive when they are trying to defend their own choices, and not just about hair treatment options (head-fi is a war zone). You can still express yourself freely if you learn to ignore trolls or susceptible people (like me) usually...
If you live in a city, the pollution you absorb every day will defeat any real health benefit you'd get from quitting smoking (especially at 5 cigs a day).
All you can do is try to lower your consumption of cigarettes & alcohol to a level that doesn't negatively impact your quality of life.
The...