I am male, age 22, from guwahati. I have been suffering from breathing problem. Before 6 month during my exam it happened. Then I cured without any medicine. And sometimes I feel it for a short period of time e. G 2 hours 4hours, symptoms:-shortness of breath, I have to take a long breath after a duration frequently, no wheezing sound in neck and lungs, I don't feel tired, weight: 63 height: 167 c. M, pulse: 72 bpm, b. P: 120/90, and after meal and in the morning after wakeup cough block my neck then I remove it by washing my mouth with salt. So could you tell me why this is happening, why do I feel shortness of breath.