I use to get pnemunia each year and recently have developed shortness of breath and some chest pain that comes and goes sometimes i cough but that is like a few times in a week but its not severe... i am really scared... i dont smoke or drink... i had an anxeity attack 2 years ago and anxeity does onsets chest pain in me but sometime the chest pains come on its own... i got my heart checked and its totally fine... what could be the reason... has anyone expereinced this beforee