Bryan Johnson, a tech entrepreneur and biohacker, is widely known for his pioneering efforts in longevity and age reversal.

Monitored for 10 days leading up to the ketamine experiment, Johnson's brain activity followed fixed, predictable patterns.

Despite taking all the precautions, if you develop symptoms of GBS, do not panic, Dr Sudhir Kumar advised. 'Consult a ...

Bryan Johnson is a biohacker on a mission to conquer death and has been injecting ketamine into his system to see how it ...