Is this sentense correct ? (they instead of s/he)

Hi,

It's incorrect. However, nice try!

When a person smokes not only does he harm his health, but he also harms the people around him

who inhale the smoke even more.

Regards

The lack of agreement in number here between a person and they/their can be easily remedied by simply beginning with When people smoke.

Comma between health and also

"even more" than what? That part needs some help.

Hi,

GG, I think this is his meaning (OP - correct me if I'm mistaken).

The smoker harms the people around him who inhale the smoke even more than he does.

Regards

Even more than he harms himself? That would be clear. I"m not sure it would be factual.

Hi,

No, even more than he inhales. But yes, I've heard that passive smokers are being harmed even more than active smokers.

Regards

i meant he harm thems even more than he harms himself
isnt it enough to say "even more" ?
thank you

Hi,

I understand your meaning. I believe others will do as well, but I can't be sure of it.

If you ask me, it's enough.

Regards

thank you so much

Behnam AI meant he harms them even more than he harms himself. Isnt it enough to say "even more"?

Well, not in my opinion. I had to ask what you mean.

I also don't think that "not only/but also" construction works if you want to use a comparison. "I not only like to swim, but I also like to hike even more." "Not only is Sa