>>10834691debatabley, you can cure things like cancer and heart disease (the biggest killers of humans in America) by severing your head and placing it on life support, with artificial blood and nutrients pumping through your brain.
We already have the technology for the brain to control robotic limbs. So really as long as that surgery is successful, it's just a matter of time until you can upgrade your limbs.
Really the only bad thing that could happen is neurodegenerative disease or brain cancer at that point