Often, using an inhaled adrenergic bronchodilator before exercise can prevent exercise-induced symptoms of asthma and allow people to be fully active. People with asthma should not assume that they must limit physical activity simply because they have the disease. After all, some olympic athletes have severe asthma. There are effective medications that prevent most exercise-induced asthma. Swimming doesn't cause much of a problem in people with asthma, biking causes somewhat more, and running is the worst type of exercise for asthma sufferers.
Swimming is best because very moist air is inhaled, thereby slowing down the cooling of the airway.
Health Bytes Allergies are the most common cause of chronic nasal congestion in children. An estimated 5,000 people in the U.S. die each year from asthma-related complications.