If I quit smoking now, will the damage on my lungs improve or is it permanent?

I’ve been smoking cigarettes for approx. 1 year+ now, & I have roughly 5 cigarettes a day. I want to quit smoking because I just tried to run a mile & found it incredibley difficult >_< If I quit smoking now, will the damage on my lungs improve or is it permanent?

How do I control my anxiety to try to quit smoking?

I beleive I have some sort of anxiety disorder due to the fact that I get that weird feeling in my stomach and get nervous and/or scared of the future everyday. I always turn to smoking to fix it, I want to quit smoking NOW . Any advice for me to kick this and control my anxiety so I can be happy. I am a 27 yr old gay male!! Thanks for the answers!

How long did you crave cigarettes after you quit smoking?

I am bound and determined to quit smoking, it’s been two days since I’ve had a smoke. I used to smoke a pack a day. I went cold turkey, and am using nicotine gum But the cravings are still really strong to smoke. I know individual experience will vary, but how long did it take for your really bad cravings to go away?

Does your body give up when you quit smoking?

I quit smoking about 3 months ago. About one month in I started having one health issue after another. I’ve NEVER had health issues like this before. Between a tooth crumbling, to skin disorders, and female health issues. I just feel not well. I’m wondering if this is because I quit smoking, or if I’m 27 and my body is just done being happy!? If so how long will this last?