If you don't know it yet, The Grand Rounds is a weekly compilation of blog entries pertaining to medicine and health. This week's issue is hosted at Medical Humanities, and I've spotted a couple of asthma-related entries that might interest you:

BreathSpa for Kids, which I've also featured earlier, writes a lengthy discourse on the impact of pollution due to traffic on children's lungs.

Breath Coach (another blog from the author of Breath Spa) presents statistics on cases of COPD, and the risks of using bronchodilators.

Sit back, relax and enjoy reading!