Forever Young | Official Trailer

Forever Young is a feature-length documentary premiering at the 2025 Mill Valley Film Festival. The completion of the film marks the beginning of our Substack journey, where our team will dig deeper into the topics, questions, and controversies covered in this sweeping documentary that blends science and humanism. Directed by David DonnellyProduced by James B. Johnson, MD, and Thomas B Lewis, MDOur cast includes: James B. Johnson, MD: Dr. Johnson is a retired plastic surgeon, longevity researcher, philanthropist, and author of the Penguin-Random House book, The Alternate-Day Diet. With Mark Mattson, PhD, he published the first clinical study of alternate-day fasting in 2006.Thomas B. Lewis, M.D: Dr. Lewis is a physician, psychiatrist, psychopharmacologist, speaker, and author of A General Theory of Love (Random House)Nir Barzilai, MD: Dr. Barzilai is the director of the Institute for Aging Research at the Albert Einstein College of Medicine and the Director of the Paul F. Glenn Center for the Biology of Human Aging Research. He has long advocated studying metformin and other drugs to prevent the diseases of aging.Eric Verdin, MD, PhD: Dr. Verdin is a researcher, professor, and one of the world’s leading geroscientists. He has served as President and CEO of the Buck Institute for Research on Aging since 2016.Richard A. Miller, M.D., Ph.D: Dr. Miller is a Professor of Pathology at the University of Michigan and Director of the Paul F. Glenn Center for Aging Research. He founded the hugely important ongoing NIH Interventions Testing Program, which studies supplements and drugs to assess their potency at slowing or reversing aging.Steve Horvath, PhD: Dr. Horvath is a Principal Investigator at the Altos Labs Cambridge Institute of Science. He discovered the existence of a “clock” in our cells that records our true biological age (instead of our age in years). This biomarker allows measurement of the effect of treatments that slow or reverse aging.Jennifer Garrison, PhD. Dr. Garrison is Co-Founder and Director of the Global Consortium for Reproductive Longevity and Equality (GCRLE) and an Assistant Professor at the Buck Institute for Research on AgingTaryn Southern is a charming and gifted explainer of new technologies whose YouTube videos have garnered more than 1 billion views! She also directed the feature SCI-FI film I AM HUMAN, about the development of brain-computer interfaces, which promise to vastly improve human capabilities and potential. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit foreveryoungfilm.substack.com/subscribe