Elon Musk defended his prescription for ketamine, saying his usage of the drug helps him alleviate a "negative chemical mind state" that benefits investors in Tesla, the electric car maker he leads as ...

Tesla CEO seeks to reassure investors, saying he takes prescribed drug to treat his "negative frame of mind", following media reports that his use of dissociative anesthetic was spooking investors.

(Reuters) - CEO Elon Musk said his ketamine prescription was beneficial for Tesla's investors in a video interview with former CNN anchor Don Lemon posted online on Monday. Musk said the drug helps ...