Mesothelioma (What the heck is this?)

I've been wondering why "mesothelioma" comes out as the top paid keywords everytime I use google search. I really don't know what in the world is mesothelioma, so I've decided to search for it a little :

According to Wikipedia, Mesothelioma is “a form of cancer that is almost always caused by previous exposure to asbestos.



The video is about awareness of the disease. Haven't heard of this condition before, seems so serious. tsk tsk. Guess the treatment means big business if this costs a lot in terms of internet advertising.