The claim about his health and the COVID-19 vaccine is consistent with a common conspiracy theory that spread online during the pandemic, falsely attributing numerous famous peoples' deaths to the vaccine. We have previously fact-checked such claims about Betty White, Lisa Loring and even Russian opposition leader Alexei Navalny.

“The moment he walked out on stage, it was just like he was shot with a bolt of lightning and he came alive,” Glendenning recalled. “I didn’t even think it was physically possible for a person that existed day to day the way he did to have that much energy and to turn on that much and to be that much of a showman.”

Fox News senior medical analyst Dr. Marc Siegel takes a look at Ozzy Osbourne's battle with Parkinson's disease, plus the dangers of cannabis gummies on 'America Reports.'

Kelly Osbourne has released a statement following the death of her father Ozzy, saying she “lost the best friend I ever had.”

Entertainment producer Don Rugg of Apple Valley reflected on the death of music legend Ozzy Osbourne, who he impersonated for nearly two decades.

Black Sabbath frontman Ozzy Osbourne died following his battle with a genetic form of Parkinson's disease, while a brain expert says the singer's lifestyle could have contributed.

Yungblud—who covered Black Sabbath's "Changes" during Ozzy Osbourne's final show—said he will be playing the 1972 track "every night" for the rest of his life in honor of the late rocker.