Hi i am a 22 year old .female. For the past two years and eights months i was a smoker i smoked ciggarettes,sheesha and pot.four months ago untill now i havent touched a cigarette but smoked sheesha like two times,my problem is i have a few times pain tendency that occurs in my chest,lungs probably whenever i breath or take a deep breath sometimes it happens in the shoulders too,could it be what im thinking? I sleep with ceilingfan some people say its the fan,whats happening doc?