I have just listened to his talk on one of the webinar. He is referring 77 years old own mother. I have heard the case like this pretty frequently from my patient. One of my patients came to see me because he went to coma after his back surgery. Again, there was no medical doctor in the room at the time but the panicked nurse. He is still suffering from the consequences. If your family member is going to get operated on for any reasons, please stay with him/her. Here’s Dr. David Katz’s article.