Is it okay to take cigarette butts from the ashtray and smoking them occasionally?
Why would you smoke used cigarette butts?
I like the taste of them and it's a little exciting.
I know that you like smoking but what your doing is very unhealthy and you should stop immediately. The used cigarette butts could be contaminated because someone else has had their mouth on them. Smoking is already an unhealthy habit, but smoking someone else's used cigarette's makes the health risk even greater.
I have done many things like that and I am fine. It probably only boosts my immune system anyway.
I'm not sure I see the analogy here. I would assume you'd want the best for your health and might want to stop preemptively so as to not encounter any possible adverse effects. Consider taking up vaping or perhaps smoking marijuana for other "healthier" highs to pursue.