Do you or someone around you have any of the following? At night, after exercise or after exposure to airborne allergens or pollutants, do you experience: coughing shortness of breath attacks chest tightness These are the main manifestations of asthma. Asthma has a serious impact on quality of life In the Asia-Pacific Asthma Status Survey, interviews with 400 Chinese asthma sufferers revealed that asthma has a serious impact on quality of life. 79% felt that asthma limited sports and leisure 68% felt that asthma affected sleep 74% felt that asthma affected normal physical activity 63% felt that asthma affected lifestyle 54% felt that asthma limited social activities 58% felt that asthma limited work options 22% of adults and 49% of children missed work and school because of asthma