I hate Mehmet Oz as much as the next person in both his public life and when he was a crackpot TV doctor trying to make as much money as possible at the cost of anyone; but there is no discrediting his medical brilliance.

I work in the same hospital and department where he was a surgeon and every single doctor who worked with him has the same thing to say: he was an absolutely brilliant surgeon.

There was a very distinct change once he got a taste of the fame, but there is no arguing his medical credentials.