Jack Osbourne reveals doctors warned Ozzy Osbourne about his heart and artery issues before the Birmingham farewell concert, but he refused to stop.
https://www.foxnews.com/entertainment/jack-osbourne-doctors-warned-ozzy-not-perform-final-concert-17-days-before-death
https://www.foxnews.com/entertainment/jack-osbourne-doctors-warned-ozzy-not-perform-final-concert-17-days-before-death