Im 17 years old & I've got respiratory tideness & shortness of breath.And I was suffering from the cold,hayfever associated wheezing or asthma from about 10 years old period Till july 21st this year.And it was not an chronic condition,it got cured by one or two doses of medicine.But now I'm suffering from chronic chest tideness from about 3 months.I took broncholidators but it doesn't work.The doctors are telling that I've got no problem by taking X-rays & ECO scans & my spirometeral rate is at about 600.But I struggle in day today activities like walking,talking,exercising.I don't have any allergens.But I smoked about 6 months before 2 months I got this symptoms