Another good one is that Ozzie was DNA-tested for resistance to common non-pharmaceutical drugs. He's virtually immune to everything except ... caffeine.

He initially declined to be tested, but then asked himself, "Why am I still alive?" :)

https://abcnews.go.com/Health/Wellness/genetic-mutations-ozz...

(There might be a genetic reason, but I think the credit should go to his strong-willed wife/manager for keeping his life together.)