Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Why PARP Is Vital And How It Is Connected To Sirtuins & NAD | Dr David Sinclair Interview Clips. That video is uploaded by Reverse Aging Revolution at 2022-02-22T06:55:30-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [vtapVZRWlHk]