Episodes

What if healthcare focused on identifying risks before symptoms appear? In this episode, Dr. Vikash Modi of Prenuvo and preventive medicine physician Dr. Joshua Diamond join host David O’Leary to discuss how advances in early detection, imaging, and personalized care are helping people take a more proactive approach to their long-term health. Tune in to hear Dr. Modi, Dr. Diamond, and David explore: How whole-body MRI screening can provide a broader view of health Why the future of healthcare...

Tom Hale, CEO of Oura, joins John Hancock's Chief Marketing Officer and Head of Health & Wellness Solutions, Lindsay Hanson, for a thought-provoking conversation on the future of personalized health, wearable technology, and longevity. Recorded live at our 2026 Longer. Healthier. Better. symposium Tom and Lindsay discuss: How wearable technology and biometric data can provide personalized insights into sleep, stress, recovery, and overall health The role of AI in translating complex health dat...

Dr. Giles Yeo, geneticist and obesity researcher, and Dr. Ian Smith, physician, bestselling author, and health expert, join John Hancock's Head of Insurance, Hector Martinez, for an engaging conversation on the science behind hunger, nutrition, weight management, and longevity. Recorded live at our 2026 Longer. Healthier. Better. symposium, Dr. Yeo and Dr. Smith discuss: How genetics, biology, and environment influence appetite and long-term weight management The impact of ultra-processed food...

Dr. John Osborne, preventive cardiologist and Chief Medical Officer of ClearCardio, joins John Hancock CEO Brooks Tingle for a compelling conversation on the future of heart health, prevention, and longevity. Recorded live at our 2026 Longer. Healthier. Better. symposium, Dr. Osborne and Brooks discuss: Why cardiovascular disease remains one of the leading health threats today, and the misconceptions that can prevent people from understanding their true risk How advanced cardiac imaging and AI...

We’re living longer than ever before — but what we do with those extra years matters more than ever. In this episode, Maddy Dychtwald, Co-Founder of Age Wave and author of Ageless Aging, joins host David O’Leary to explore how longevity is reshaping the way we think about health, work, and the future of retirement. Tune in to hear Maddy and David explore: The difference between lifespan, healthspan, and brainspan Why aging looks fundamentally different today than it did for past generations ...

Tune in to this episode of Longer. Healthier. Better., as host David O’Leary welcomes Dr. Sawella Guseh, Director of the Cardiovascular Performance Program at Massachusetts General Hospital and Assistant Professor of Medicine at Harvard Medical School. With clinical expertise spanning everyday movers to elite athletes—including the New England Patriots and New England Revolution—Dr. Guseh unpacks what the latest science reveals about fitness, heart health, and the future of cardiovascular care. ...

Tune in to this episode of Longer. Healthier. Better., as host David O’Leary welcomes David Shapiro, the President and CEO of our newest Community Impact partner, the YMCA of Greater Boston. With more than 175 years of community-rooted history, David shares how today’s YMCA is reimagining belonging, strengthening social connection, and addressing the loneliness epidemic head-on. Hear them discuss: Why social connection is important — and how the YMCA is uniquely positioned to foster it How the...

Tune in to the thirteenth episode of Longer. Healthier. Better. as host David O'Leary welcomes Dr. Katie Tryon, the Chief Commercial Director at Vitality Health in the UK. With a rich background as a medical doctor trained at Oxford University and Imperial College London to a leader of health strategy initiatives in Africa, Katie brings a wealth of knowledge and experience to the table. Tune in to hear Katie and David discuss: Vitality's approach to encouraging healthier lifestyles through stra...

In episode twelve of Longer. Healthier. Better., host David O’Leary chats with Kara Collier, co-founder of Nutrisense, a groundbreaking wellness-tech startup. Together, they unpack the importance of glucose monitoring in preventative health. Tune in to find out how Nutrisense is helping eligible John Hancock Vitality members reach their health goals hear Kara and David discuss: How continuous glucose monitors (CGMs) can help those without diabetes Stress’ impact on glucose levels and tips for ...

In the eleventh episode of Longer. Healthier. Better., host David O’Leary discusses food insecurity with Josh Trautwein from About Fresh, a long-standing Community Investment partner of John Hancock. Josh reflects on a decade of partnership, the complex factors contributing to food insecurity that About Fresh strives to address and how data is shaping the future of their efforts. Tune in to hear Josh and David discuss: How About Fresh’s mission to combat food insecurity is bolstered by their pa...

In the tenth episode of Longer. Healthier. Better., host David O’Leary welcomes Lindsay Hanson, Chief Marketing Officer and Global Head of Behavioral Insurance at John Hancock. Together, they reflect on the transformative first decade of the John Hancock Vitality program. Lindsay shares insights into the early days of the program, a pivotal moment in 2018, and her own experiences as a Platinum status Vitality member. Tune in to hear Lindsay and David discuss: Milestones that have shaped the fir...

Dr. Matthew Walker, neuroscientist and sleep expert, delves into the critical role sleep plays in our health and longevity, offering practical insights on improving your own sleep. In this special episode, recorded live at our 2024 Longer. Healthier. Better. symposium, Dr. Walker covers: "Four macros" of good sleep — Quantity, Quality, Regularity, and Timing (QQRT) — and emphasizes the importance each macro for overall well-being Practical advice on managing sleep disturbances like jet lag and...

Kristen Holmes, Vice President of Performance at WHOOP, shares her insights on optimizing human performance through understanding personal data, aligning behaviors with core values, and leveraging the power of circadian rhythms. In this special episode, recorded live at our 2024 Longer. Healthier. Better. symposium, Holmes highlights: How wearable technology can help us understand how our bodies respond to various stressors The critical role of circadian rhythms in health in service of physiol...

Neuroscientist and author Dr. Lisa Genova dispels common myths about memory, explaining why forgetting is a normal part of human cognition and how understanding this can help us maintain better brain health. In this special episode, recorded live at our 2024 Longer. Healthier. Better. symposium, Dr. Genova explains: Forgetting names and where objects are placed are not necessarily a sign of cognitive decline or dementia Four types of normal forgetting and the importance of attention and contex...

In the sixth episode of Longer. Healthier. Better., host Janet Wu discusses the issue of obesity in America, and it impacts our health and wellness with Dean of the Friedman School of Nutrition Science and Policy at Tufts University, Dr. Christina Economos. Dr. Economos pulls from her extensive research on childhood obesity and weight management tools in this conversation around longevity. Listen to Dr. Economos and Janet’s discussion about: US obesity trends within global, environment, and pol...

In the fifth episode of Longer. Healthier. Better. hear from Dr. Andrew Steele, biologist and author of Ageless – The New Science of Getting Older Without Getting Old. Steele discusses the basics and complexities of the science of aging. Learn about the phenomenal discoveries and research in aging biology, as Dr. Steele exchanges insights with our host, Janet Wu. Listen to their discussion about: How aging – not cancer, not heart disease – is the underlying cause of most human death and sufferi...

Tune in to the fourth episode of Longer. Healthier. Better. to hear from Dr. Daniel Durand, Chief Medical Officer at Prenuvo, as he discusses the transformative potential of proactive MRI scans in healthcare. Learn about Prenuvo’s advanced scanning technology and its role in early disease detection, as Dr. Durand exchanges insights with our host, Janet Wu. Listen to their discussion about: The significance of early disease detection and the types of conditions Prenuvo scans can detect What Joh...

Listen to this special episode of Longer. Healthier. Better., recorded live at The Boston Globe’s Health Equity Day 2024. Host Janet Wu sat down with Dr. Monica Bharel, Clinical Lead of Public Sector Health at Google, to talk about the innovation fueling longevity in Boston and beyond. Dr. Bharel reflects on her time as a Massachusetts Public Health Commissioner and shares her perspective on the future of health equity. Listen to Dr. Bharel and Janet’s discussion about: How the intersection of ...

Check out the second episode of Longer. Healthier. Better to hear from GRAIL President, Josh Ofman, as he shares about GRAIL’s mission and GalleriⓇ test, a multi-cancer early detection blood test that screens for “fingerprints” from 50+ cancers. Josh reflects on Kelley King’s cancer story from Episode 1, and dives into the science behind the Galleri test with our host Janet Wu. Listen to Josh and Janet’s discussion about: GRAIL’s mission and what the revolutionary Galleri test means for early c...

Tune in to the first episode of Longer. Healthier. Better to hear from John Hancock customer, Kelley King, as he shares how the Vitality program has had a profound impact on his life. Learn about GRAIL’s Galleri test, a multi-cancer early detection blood test that screens for DNA signals from 50+ cancers. Kelley tells the compelling story of his shocking diagnosis and how it has shifted his perspective on life with our host Janet Wu. Listen to Kelley and Janet’s discussion about: How Kelley’s e...