SUBJECT: BREATHLESSNESS. MESSAGE: I am 77  , nown case of dibetes 2 & BP both under control with Medication viz Amryl M -1mg ( Sanofi) twice a day & Benitech A for BP .HbA1c being around 5.8-6.2 , sugar fasting around 80-90 , but PP is above 175 to 225, Bp is normal 140/75,pulse 50-64.However Amylase & Lipase are around 150. My TMT and Ultrasound Abdomon are normal , Chest X ray is clear I am 5'6" , wt -70kg , girth at navel 40" These days I am feeling problem of Breathlessness, even on slight exertion , I can walk but only at a very slow pace. Pl. advise can it be on account of any problem with my lungs pl & symptoms/tests for same  These days

Summarized question: What causes shortness of breath on light exertion?