Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Zone 2 Training: Dose, Frequency, and Duration | Iñigo San-Millán, Ph.D. & Peter Attia, M.D.. That video is uploaded by Peter Attia MD at 2022-03-31T08:00:39-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [z82GCNXdLAA]