Elon Musk is no stranger to eyebrow-raising statements, but his latest comments have even long-time followers doing a double-take. The Tesla and SpaceX CEO recently claimed—perhaps half-jokingly, ...

He’s long been said to indulge in other drugs, from ketamine, which he has previously claimed to use as an antidepressant, to ecstasy, and magic mushrooms. It’s not unusual for somebody going through ...