I am 64 male non-smoker 20lbs over weight active and retired. After eating for about 1 to 2 hours I notice a shortness of breath and dizziness when doing minor exertion or work. between meals there is no problem, no shortness of breath, or dizziness I can work or exert with little to no shortness of breath. I have never had any hert problems in my life but my father, uncle and grand father all died by age 65 of heart attacks. Working environments in pass years have been coal mines, power plants, nuclear plants,