Sir I have thin body and recently cure by typhoid and chronic cough. My full body blood test report are normal. I always measure BP that is also normal. But when I start stretching exercises it causes chest pain and there is very low stamina. When I do only one push up my legs is vibrating. My hand also vibrating. Please suggest some beginners exercise for me. Because I am patient of health anxiety. Some symptoms or a little body symptoms kills me. I think I am going to die and something body going to happen with me and overcome this anxiety and panic attack I try exercise but it also makes me so anxious. So please help me. I really need your help