goop Gwyneth Paltrow x Mark Hyman: How We Vote with Our Forks Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Mark Hyman, MD Physician Advocate Educator Podcast Host Ann Shippy, MD Austin, TX Functional Medicine Internal Medicine Doctor The Microbiome and Cancer David Perlmutter, M.D.