This is an excellent product to be promoted in blogs and forums.
Asthma is a terrible health problem that affects millions of people around the globe. With pollution, it affects each day to more people.
All of them are your potential customers!
All of them are constantly searching in forums and all over internet for a way to solve or at least diminish their (or their loved ones) asthma.
That's when they have to find you promoting this excellent product!