Can humans live longer?

From records we could find that only a single person have been able to cross 120 years.To be precise a lady named Jeanne Calment lived for 122 years and 164 days. This brings us to Bryan Johnson who is desperate to live much much longer.He travelled to an isolated island called Roatan in Honduras.In this island there is a zone called Prospera where gene therapy company Minicircle operates.(To be continued) ;