Do you think cigarette smoking damage on the testes/sperm can be repaired?

Anonymous
My best friend started smoking when he was 18 for about half a year and switched to vaping for another year before he quit. He’s a young lad and 23 at the moment, do you think his fertility had completely healed with no damage whatsoever. 100% repair?
Yes surely
Vote A
Probably
Vote B
Not sure
Vote C
Probably not
Vote D
No way
Vote E
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GirlGuy
Do you think cigarette smoking damage on the testes/sperm can be repaired?
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