question: I recently had a check up for a sharp pain that I have been feeling in my chest for over 2 months now..it will be a year in January since I quit smoking however a stressful situation has caused me to smoke a few today..but I am not going to smoke anymore.I have been out of work for a while and recently been going thru hard times with a new relationship I started 3 months ago. I would like to know if this is strictly stress related or has anything to do with a possible thalasemia  in my system. It feels and sounds like heart attack symptoms but not for the nausea and shakes..any idea what this may be?