Its been years i am feeling shortness of breath . it started 8 years back when i met a road accident . while crossing road i collided with a bike anf i fall down in road . my chest facing the road. Since that incident i have this problem . i had gone through chest xray, ecg, ptsd,
Lft , mri and blood tests. All the tests says i am normal. My condition worsens when i go to hilly areas. please help me to cure my problem