While these things may (anecdotally) prolong your life, does anybody really want to be 102 and having to be nursed for all the basic needs like bathing yourself?
Combine this article with the many(many) others that tell you how to micro-manage all aspects of your life(to be "super productive") and you instantly find that once you start to deviate from your steady-state of micro-management, your worry skyrockets.