Add Yahoo as a preferred source to see more of our stories on Google. Longevity guru Bryan Johnson has long had questions about the bounds of human consciousness. He says smoking a psychedelic found ...

Mike Tyson has revealed smoking toad venom has mellowed him. Former heavyweight champion Tyson was one of the most feared boxers in history due to his explosive style but also had problems away from ...

Longevity guru Bryan Johnson has long had questions about the bounds of human consciousness. He says smoking a psychedelic found in Sonoran toad venom gave him clarity. "I know what it feels like to ...

Longevity enthusiast Bryan Johnson said he often contemplates a question that has perplexed philosophers for centuries — how big is human consciousness? So he decided to turn to psychedelics. "I know ...