Close-up view of an ashtray with a hand crushing and extinguishing a cigarette, nails diseased by the vice

ashtray closeup hand crushing extinguishing cigarette nails diseased vice smoking addiction tobacco unhealthy habit quitting health lung cancer nicotine smoke cessation ash relapse fingers disposal butt unfiltered filters toxic disgusting harmful disruptive tar respiratory chronic nicotine addiction dangerous detrimental health risk warning public health discarded ashen stub disposable lung cancer withdrawal abuse