The main facets for a lengthy life , I believe, are partially in the genes; number 2 is lifestyle, including balanced diet and normal exercise. I go, work and move every day. Nevertheless, I do believe too much exercise can be bad due to over-stress; occasionally people who exercise too many hours each day die early.
The nice issue about’Arrow’is we never state never on the show. Hopefully the display could have a great extended life , and all method of things can potentially happen.