Gut & Grit
Honest conversations. Practical wisdom. Always improving.
Gut & Grit is a long-form interview medical podcast hosted by Dr. Chris Dainiak, a gastroenterologist, endurance athlete and entrepreneur. Through thoughtful, unscripted conversations, Dr. Dainiak explores the intersection of medicine, resilience, performance, and meaning. From digestive health and longevity, to leadership, adversity, and personal growth, each episode goes beyond surface-level advice to uncover what truly shapes well-being.
Guests include physicians, surgeons, athletes, innovators, and individuals with extraordinary life stories, all united in a commitment to excellence and authenticity.
Whether you are a patient seeking clarity, a medical professional striving for purpose, or someone pursing a stronger mind and body, Gut & Grit delivers insight grounded in science and strengthened by lived experience.
Can You Prevent Dementia? Swimming, Brain Health, Longevity & One Doctor's Personal Story
Dr. Christopher Dainiak sits down with ENT surgeon Dr. Doug O’Brien for a wide-ranging conversation about healthy aging, movement, and the habits that shape a long, meaningful life.
Additional Resources
- Mel Robbins – The Let Them Theory
https://www.melrobbins.com - Alzheimer’s Association – Brain Health
https://www.alz.org/help-support/brain_health - U.S. Masters Swimming
https://www.usms.org - American Academy of Otolaryngology – Patient Health Information
https://www.enthealth.org - CDC – Safe Water for Nasal Rinsing and Neti Pot Use
https://www.cdc.gov/drinking-water/prevention/preventing-waterborne-germs-at-home.html
The Hidden Core: Why Your Back, Breathing & Stability Matter
What if the key to preventing pain, improving athletic performance, and aging well isn’t simply becoming stronger—but learning to move better?
Additional Resources
Symmetry Pilates Center: https://symmetrypilatescenter.com/
Inner Excellence by Jim Murphy: https://www.innerexcellence.com
Outlive: The Science and Art of Longevity by Peter Attia, MD: https://peterattiamd.com/outlive
U.S. Masters Swimming – Adult Learn to Swim (ALTS): https://www.usms.org/alts-central/alt…
Email: ALTS@usmastersswimming.org
Ironman New Zealand: https://www.ironman.com/races/im-new-…
The Making of a Doctor
Dr. Ronald Schneebaum is a retired pediatrician, educator, and author with more than 40 years of clinical experience helping children, families, and medical trainees navigate both physical and emotional health.
Additional Resources
Helping Families Through Grief
David Phillips is Co-Founder of Friends of Aine, a New Hampshire based nonprofit dedicated to providing free peer-to-peer grief support for children and families.
Part 1
Part 2
Additional Resources
Community Events Link
Overcoming Addiction
Dr. Dainiak talks with Fabian Schmidt, a lawful permanent resident of NH that was detained by ICE at Logan International Airport on March 7, 2025 after visiting family in Europe.
Part 1
Part 2
Additional Resources
The Making of a Doctor
Dr. Ronald Schneebaum is a retired pediatrician, educator, and author with more than 40 years of clinical experience helping children, families, and medical trainees navigate both physical and emotional health.
Additional Resources
Helping Families Through Grief
David Phillips is Co-Founder of Friends of Aine, a New Hampshire based nonprofit dedicated to providing free peer-to-peer grief support for children and families.
Part 1
Part 2
Additional Resources
Community Events Link
Overcoming Addiction
Dr. Dainiak talks with Fabian Schmidt, a lawful permanent resident of NH that was detained by ICE at Logan International Airport on March 7, 2025 after visiting family in Europe.