I was feeling so bad. I asked my family doctor 'bout what I had. I said:
Doctor! Mr. M.D. Can you tell me whats ailing me?
He said:
First of all, although I'm a doctor, I am not an M.D. My degree is a Ph.D. in Pedantry.
Furthermore, to ail is an intransitive verb. Proper usage would be to ask "why I am ailing." Also, you must add an apostrophe to "what's," for you are shortening "what is."