#302 - Social Connection, Longevity, and the Hidden Health Risks of Isolation | Dr. Julianne Holt-Lunstad & Mike Haney

You probably spend more time thinking about protein than friendships.According to today's guest, you’ve got it backward.In this episode of A Whole New Level, Mike Haney sits down with Dr. Julianne Holt-Lunstad, one of the world's leading researchers on social connection and health. She explains how data now unequivocally show that social isolation drives early mortality. And why simply not feeling lonely doesn't necessarily mean you're getting enough social connection, as well as why even weak connections matter a lot to a healthy social life.Free course: Improve your metabolic healthGet our free email course on how glucose, nutrition, exercise, sleep, and measurement can help you build habits that support better energy and long-term health: ⁠⁠⁠⁠⁠https://levels.link/wnl⁠🎙️ About the Guest: Dr. Julianne Holt-Lunstad is a professor of psychology and neuroscience at Brigham Young University and one of the world's leading researchers on social connection and health. Her landmark meta-analyses involving millions of participants established social isolation and loneliness as independent risk factors for chronic disease and early mortality.📍What Dr. Julianne Holt-Lunstad & Mike Haney discussed:0:00 — Introduction1:18 — How Dr. Holt-Lunstad began studying social connection and health3:00 — Why relationships belong alongside diet, exercise, and sleep4:10 — Social isolation vs. loneliness vs. living alone11:45 — How researchers measure social connection and health outcomes16:20 — The biological pathways linking isolation to disease27:30 — How scientists study social connection without randomized trials33:00 — Family, friends, weak ties, and what kinds of relationships matter|37:00 — AI companions, loneliness, and whether technology can replace human connection46:15 — Is there a minimum effective dose of friendship?58:10 — Why Americans are participating in fewer clubs and community groups1:03:20 — Why objective isolation predicts health better than loneliness1:10:40 — Making friends as adults and overcoming the friction of connection🔗 Helpful Links:Dr. Julianne Holt-LunstadBYU Faculty Profile: https://psychology.byu.edu/directory/julianne-holt-lunstadSocial Connection in America Survey: https://www.socialconnectionguidelines.org/U.S. Surgeon General Advisory on Social Connection: https://www.hhs.gov/sites/default/files/surgeon-general-social-connection-advisory.pdfKey ResearchSocial Relationships and Mortality Risk: A Meta-analytic Review (Holt-Lunstad et al., 2010): https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1000316Loneliness and Social Isolation as Risk Factors for Mortality (Holt-Lunstad et al., 2015): https://perspectives.psychiatryonline.org/doi/10.1176/appi.ps.201500160Our Epidemic of Loneliness and Isolation (U.S. Surgeon General, 2023): https://www.hhs.gov/sites/default/files/surgeon-general-social-connection-advisory.pdfBowling Alone (Robert Putnam): https://bowlingalone.com/Watch the conversation: https://youtu.be/g6D2CIpB2n4Find us on YouTube: https://youtube.com/levelshealth?sub_confirmation=1👋 Who we are:Levels helps you understand your metabolic health with personalized data, expert guidance, and tools that connect your daily choices to measurable changes in your body. Our goal is to help you make better decisions about food, exercise, sleep, and long-term health.Look for new shows every month on A Whole New Level, where we have in-depth conversations with thought leaders about metabolic health.