Think about it. What you're asking is "Does inhaling extremely hot carcinogenic gas regularly down my throat affect my throat"? Do you really need to ask?
screaming cadence for the navy + thyroid problems = my voice is no longer mine. i never noticed a difference in my singing until i got out of the navy. my range is shot, and i have a break whereas i never had a break before. >sigh< i used to be able to sing high tenor-middle soprano. its so depressing.
how long did you smoke for mothers love ? (((( oh nooo yea dude ive been in chorus my whole life i love to sing i would hate to sound bad :[