The most crucial factors for an extended life , I believe, are partially in the genes; number 2 is life style, which include balanced diet and standard exercise. I go, run and swim every day. But, I believe too much exercise can be unhealthy as a result of over-stress; occasionally those who exercise also much time per day die early.
The good point about’Arrow’is we never state never on the show. Ideally the display may have a good extended life , and all types of points can potentially happen.