A condition affecting the lungs which causes the airways to narrow, Asthma affects millions of people around the world. Traditionally, an inhaler is used to help calm asthma attacks, these attacks can range from mild to deadly. The following list consists of sites with information about Asthma, how to treat it, groups that are trying to cure the ailment and companies that distribute products to help cope with asthma. If you know of any additional sites that would be beneficial to the asthma list please add them at the bottom of this list.