having problems breathing normal and having a dull ache in my chest that comes and goes?
i started a new job 2 months ago and with it i dont exercise as much as i used to. the past couple off weeks ive been more fatigued than normal and felt like its harder for me to breathe. ive also notice that i have had a dull pain in my chest come for a few minutes then leave and havent had it since. what could it be