hi doctor, my husband is a smoker and a drinker, since one year he is facing a problem . he says he is not able to have a long breathe. when he tries to he is having some catch near the chest . but when we took all the tests like tmt,2d echo, ecg , and other check ups relating to heart and master health chk up, everything is normal.we visit appolo hospitals only. the doctors say he needs some body excercise.and now he does his work out at gym everyday. he reduced he weight but still the problem is continuing can u advice wat it could b?