India, Feb. 20 -- Bryan Johnson, the US millionaire who claims to have reversed his biological age, spoke about his latest experiment with his body.

The entrepreneur, who created a huge buzz in India recently after he left billionaire Nikhil Kamath's podcast mid-way complaining of air pollution, said he injected himself with horse tranquiliser Ketamine and studied what it did to his brain. He said that after taking the anesthetic, his brain activity patterns became "completely scrambled".

"I injected the horse tranquilizer Ketamine and tracked my brain data for 15 days. It completely scrambled my brain," Johnson said in a thread on X.

Johnson shared detailed results of the study of his brain data; of what happens to the brain before, d...