
Reversing Biological Age: The Science of Polyphenols, Methylation & Longevity
2026/1/06 | 49 mins.
Send us a textIn this conversation, Dr. Jaclyn Smeaton, Mark Newman, MS, and Dr. Kara Fitzgerald discuss her groundbreaking work on biological age reversal through dietary patterns and lifestyle interventions. This episode also explores:The role of epigenetics, polyphenols, and urolithin A in longevityHow dietary patterns can influence biological ageThe impact of stress on hormonal health and methylationNutrition and lifestyle as important parts of functional medicineHow lifestyle changes can reverse biological ageShow Notes:Learn more about Dr. Kara Fitzgerald and her book, Younger You. Follow her on Instagram @drkarafitzgerald!Become a DUTCH Provider to learn how the DUTCH Test can profoundly change the lives of your patients.

The Future of Hormone Care: DUTCH Test Advancements, Research & Education
2025/12/23 | 49 mins.
Send us a textIn this episode, Dr. Jaclyn Smeaton and Mark Newman, MS, Founder and CEO of Precision Analytical,, reflect on the significant developments at DUTCH over the past year, including educational initiatives, peer-reviewed research publications, and enhancements to the DUTCH Report. Mark Newman and Dr. Smeaton also discuss: The updated DUTCH Report and the importance of simplifying hormone testing and interpretation Improving hormone therapy practices through education, including education available to DUTCH Providers How the landscape of hormone testing and therapy is evolving DUTCH’s commitment to advancing hormone health through ongoing research and collaboration Upcoming initiatives and events aimed at enhancing provider education and patient care Show Notes Check out DUTCH Research, the simplified DUTCH Report, and our DUTCH Education Hub. Become a DUTCH Provider today to gain access to free educational courses, expert clinical support, comprehensive patient reports, and peer-reviewed and validated research.

Practical Strategies to Manage Chronic Stress
2025/12/16 | 1h 4 mins.
Send us a textIn this engaging episode, Dr. Margaret Beeson shares her extensive journey in naturopathic medicine, highlighting the importance of understanding the underlying causes of health issues, particularly in women. Dr. Beeson and Dr. Smeaton also discuss:The rising levels of stress in modern society, especially post-COVID, and how it manifests in various health issues How small lifestyle and dietary changes can help to manage stress The importance of building strong patient-provider relationshipsThe role stress plays in our health, including effects on sleep and gut healthHow stress responses vary between individual patientsShow Notes:Learn about Dr. Beeson’s practice, Yellowstone Naturopathic Clinic.Become a DUTCH Provider to get access to free educational resources, expert clinical support, comprehensive patient reports, and peer-reviewed and validated research.

What Women Should Know About Hormones & Healthy Aging
2025/12/02 | 1h 1 mins.
Send us a textIn this conversation, Dr. Amy Killen discusses her exploration of hormone optimization therapy and the evolving landscape of women's health. Dr. Killen and Dr. Smeaton also discuss:The multifaceted impact of progesterone and estrogen on women's health, particularly in relation to brain and bone health Multi-omic studies and how they can aid in understanding longevityOngoing research in ovarian aging and the role of ovarian aging in women's healthThe potential of stem cell therapy in promoting longevityThe future of women's health and the need for greater access to hormone therapyShow Notes:Learn more about Dr. Amy Killen and follow her on Instagram @dr.amybkillen!Check out the brain and immune system aging study from Nature Medicine and the transdermal estradiol study from Menopause mentioned in this episode.Become a DUTCH Provider to learn more about how the DUTCH Test can profoundly change the lives of your patients.

Dopamine, Mood & Mental Health with the DUTCH Test
2025/11/25 | 55 mins.
Send us a textIn this episode, Dr. Andrew Rostenberg discusses the intricate relationship between neurotransmitters, hormones, and mental health, emphasizing the role of the DUTCH Test in assessing these factors. This episode also highlights:Hormonal fluctuations and their impact on mood The intricate relationships between detoxification, gut health, hormones, and neurotransmitters The bell curve model to explain neurotransmitter levels, particularly dopamine and estrogen and their influence on mental well-beingThe critical role of cortisol in overall health The value of DUTCH testing in understanding hormonal and neurotransmitter interactionsShow Notes:Learn more about Dr. Rostenberg’s practice and his coaching program, WellPower. Follow him on Instagram @dr.rostenberg!Become a DUTCH Provider to gain access to free educational resources, expert clinical support, comprehensive patient reports, and peer-reviewed and validated research.



The DUTCH Podcast