Hello doctor i feel difficulty in breathing soon after having meals n while climbing stairs n sometimes in an ac i consulted with 2 doctors they asked me to take an ecg n chest xray both reports were normal , both d doctors said tat m totally fine , my doubt is is shortness of breath n breathing difficulty differs ?? What is actual shortness of breath ?? Doctor said i do not have any prblm thn y i face breathing difficulty often??? Plz help me by replying