Some scientists are saying that it may be possible to never die by the year 2050. The primary doctor who performed this study states that one way to extend life would be to use biotechnologies and medicine to renew the body. This protocol is basically for those who are under the age of 40 now.
One-way total restoration can be accomplished is through genetic engineering that prevents the aging of the cells. You could also replace vital body organs with new parts. Many scientists worldwide are working on creating human organs using 3D printers containing living cells, which could one day render the human organ donor irrelevant.
He says that 50 years from now, we might be able to hire an android anywhere in the world, much like a hire car, and you can upload your consciousness into it. Meaning that even when your body stops working, you will be able to use your digital mind, which is put on a computer, and then you will live on earth as an incredibly lifelike robot body.