From the US Dept of Health and Human Services:
May 3 is a day to reflect on the impact of Asthma, a chronic lung disease that affects
people of all ages. In the United States, more than 22 million people are known
to have asthma. Nearly 6 million of these people are children. Read more about
the conditions of asthma and what is being done to improve the lives of those with the disease.