The most important factors for an extended life , I think, are partially in the genes; number two is lifestyle, including healthy diet and normal exercise. I go, run and move every day. But, I do believe a lot of workout can be unhealthy because of over-stress; often people who exercise too many hours each day die early.
The wonderful point about’Arrow’is we never state never on the show. Preferably the display will have a wonderful extended life , and all method of things could happen.