Exercise Induced Asthma

I have experienced a difficulty in breathing after extensive walking and I think it is exercise induced asthma. Never had asthma before.

Seems to disappear when I lay in bed. What is it and how can I get rid of it?

From Mike:
Exercise induced asthma comes along with precursors of a subtle sometimes undetectable constricted chest and poor breathing coordination. Get our Optimal Breathing Improvement Program