| Occasionally asthma attack happen only during, or | | | | Exercise-induced asthma can be useful for asthma |
| shortly after, exercise. | | | | research and diagnosing asthma in children. |
| Initially, doctors thought this was a different form | | | | It can be used for testing the effectiveness of |
| of asthma, an entirely different form, but it is | | | | new medicines that may help treat asthma in the |
| now known that it is common for people with | | | | future. |
| asthma to have asthma attacks during exercise. | | | | With exercise of six minutes a child is often |
| These people do have asthma that is triggered | | | | breathing hard enough and fast enough to bring |
| by the exercising, however the asthma is not | | | | on a "mild" asthma. "This is very safe" and this |
| caused by exercising. | | | | has brought on early and appropriate advice and |
| In other words, the asthma existed in the person | | | | treatment for many asthmatics. |
| BEFORE the exercise, however it is a mild case | | | | It can cause athletes a particular problem which is |
| of asthma, which is brought out by the heavier, | | | | why some cross-country skiers wear breathing |
| faster breathing brought on by exercise. | | | | masks which store some body heat and moisture |
| Doctors used to puzzle about why children got | | | | from the air they breathe out and return it to the |
| exercise-induced asthma much more than adults. | | | | air they breathe in. |
| Research into this revealed the simple truth that | | | | Swimmers are fortunate in that, especially with |
| the majority of adults don't exercise or play as | | | | indoor pools, the air surrounding them is moist and |
| children do. | | | | warm. |
| Increased breathing during exercise causes cooling | | | | However it is also common that asthmatic |
| and drying of the lining of the air passages, which | | | | professional athletes must be careful with their |
| can trigger exercise-induced asthma. | | | | medications as it may lead to disqualification. |
| This explains why warm moist air protects against | | | | However, all the ordinary asthma medicines and |
| exercise-induced asthma and why swimming is | | | | treatments, used for management, are |
| better exercise for an asthmatic than running, or | | | | acceptable to sporting bodies. |
| biking. | | | | |