In this practitioner spotlight, Dr. Darisa Espinal, naturopathic physician at Dr. Kara Fitzgerald’s New Frontiers Functional Medicine Clinic, shares her journey into functional medicine, the types of patients she supports,…
Osteoarthritis (OA) is a debilitating, chronic joint disease affecting about 33 million adults in the United States. As the aging population grows and obesity rates climb, this number is expected…
Let’s be honest, the term “longevity medicine” has gotten a bit of a reputation lately. For many of us in functional medicine, it can feel like the exclusive domain of…
With thanks to Romilly Hodges, CNS, for her contributions to this article. I’m not here to fan the flames of controversy, but I do believe in asking smart, systems-oriented questions—especially…
We are delighted to announce that Dr. Kirsten FitzGerald*, DNP, FNP-BC, has joined the clinical team at the New Frontiers Functional Medicine Clinic. With a strong background in functional and…
Urolithin A is rapidly becoming a go-to longevity nutrient, and with good reason. Backed by 15 years of research and 11 human clinical trials, it is one of the most…
When I was a kid at lunch, while my friends were eating those heavenly-looking ultraprocessed Twinkies and Ringdings and making dough balls with their white bread, I ate home-made yogurt…
Estrogen is a life-giving hormone with which modern humans have a complicated relationship. Over two decades ago, The Women’s Health Initiative (WHI) findings mistakenly reported that combined estrogen and progestin…
Discover the truth about olive oil. Dr. Artemis Morris busts common myths and shares science-backed benefits of this Mediterranean staple.
Sleepless nights can be more than just an occasional inconvenience—they often come with exhaustion, frustration, and confusion about why nothing seems to help. If you’ve (or your patients have) tried…
Protecting your skin from UV radiation isn’t just about minimizing sunburns—it’s about slowing a significant accelerant of biological aging that triggers oxidative stress, immune suppression, and cellular senescence. While traditional…
Starting and growing an integrative medical practice is a transformative journey that requires careful planning, commitment, and adaptability. Often, integrative and functional medicine providers are great clinicians when it comes…
It really takes courage to completely change course and walk away from a successful hospital medicine career. Dr. Brooke Stubbs did just that after realizing the pace and pressure of…
When I sit down with Sergey Young, I’m always struck by the balance he brings. He’s deeply embedded in the future of longevity science, yet he champions the fundamentals we…
Hair loss isn’t just cosmetic. It’s a visible marker of aging biology and a profound emotional burden, and I think this is even more true for women. The last time…
Have you ever struggled to understand why some patients just don’t respond as expected, even when you’re following all the usual gut protocols? In this episode, I sat down with…
This is the longevity conversation functional medicine providers need to hear. What struck me in each of these conversations is how deeply functional medicine already holds the answers we’re chasing…
This conversation with Dr. Nir Barzilai is one of the most thought-provoking we’ve had on New Frontiers. His decades of research on centenarians, biological age, and the hallmarks of aging…
I’ve been watching the science behind Calocurb evolve over the last year, and I have to say—this is one of the most exciting clinical tools I’ve seen emerge in the…
Before we dive in—I just want to say thank you. Ten years of New Frontiers wouldn’t have been possible without your support, your curiosity, and your commitment to moving this…
This is a really exciting conversation with Dr. Davide D’Amico from Timeline, where we’re taking a closer look at Urolithin A and heart health. It should come as no surprise…
This episode is a little different from what we usually cover on New Frontiers, but it’s one I couldn’t wait to bring to you. I’ve been thinking a lot about…
In many ways, the legal side of functional medicine can feel like the Wild West—uncertain, unregulated, and full of risks. The reality is, we all want to have our practices…
I’ve been looking forward to sharing this conversation with you because it’s one I’m truly passionate about. Today, we’re diving into the DunedinPACE epigenetic clock with one of its creators,…
Physician, Clinic Director
Dr. Fitzgerald received her doctorate of naturopathic medicine from National College of Natural Medicine in Portland, Oregon.
Physician
Kenneth A. Litwin, MD FACP IFMCP, is a highly respected, board-certified Internal Medicine and Functional Medicine physician.
Physician
Darisa Espinal, ND, MS, received her doctorate in Naturopathic Medicine at the University of Bridgeport. She earned her BS in…
Family Nurse Practitioner
Kirsten P. FitzGerald, DNP, FNP-BC Family Nurse Practitioner Dr. Kirsten P. FitzGerald is a board-certified Family Nurse Practitioner with over…
Nutritionist
Melissa Parker, MS CNS CDN, is a Certified Nutrition Specialist. During a decade-long career in the fashion industry she completed…
Nutritionist
Miranda Kusi, MS CNS CDN, is a Certified Nutrition Specialist with a MS degree in Human Nutrition from the University…
This cranberry sauce strikes the perfect balance of tart and sweet, and it’s far more versatile than just a turkey companion. Try it with pork or beef, spread it on…
These energy bites are a seed extravaganza! Infused with anti-inflammatory turmeric and fragrant lemon zest, they offer a punchy flavor while delivering healthy fats, fiber, and a whole host of…
This weekend, my daughter and my mom spent an afternoon in the kitchen, testing and perfecting these Golden Hour Pistachio-Almond Cookies. They started with a classic pistachio-almond cookie recipe and…
I was blown away to learn that bitter melon, a primary component of the Okinawan diet and a common ingredient in many East Asian recipes, contains approximately 964 mg polyphenols…
We love this combination of creamy oats, sweet apples, and warming spices for a fall or winter breakfast. It also works with peaches instead of apples! Oats are rich…
Sip Your Way to Health: The Glow & Thrive Mocktail Recipe for Longevity The New Year is a time for fresh starts, thoughtful intentions, and celebrations with loved…
Nourishing Autumn Vegetable Soup for Longevity As the crisp October air begins to settle in, it’s the perfect time to cozy up with a warm bowl of Hearty Autumn Vegetable…
As October brings a chill to the air, there’s nothing better than a comforting, creamy dish to warm you up. This Dairy-Free Creamy Pumpkin and Sage Risotto delivers all…
This vibrant fall salad is packed with methylation-supporting nutrients, featuring a variety of colorful vegetables, healthy fats, and fresh herbs. The ingredients are carefully chosen to provide a balance…
Functional Fudge Cake Functional Fudge Cake Servings Prep Time Cook Time 12servings 10minutes 45minutes Servings Prep Time 12servings 10minutes Cook Time 45minutes Course Dessert Ingredients 12 tbsp. ghee approximately 3/4…
This quick gluten-free, yeast-free bread recipe requires very little effort and is a pleasantly tasty surprise. Plus it’s main ingredient – sunflower seeds – are a Younger You longevity superfood.…
This is a great, family-friendly weeknight meal – the sauce melds with the cauliflower rice in a way that even picky eaters shouldn’t care that it’s not actual rice. Or,…
Dr. Fitzgerald is an internationally-recognized expert clinician, as well as nationally-bestselling author, who is actively engaged in clinical research on epigenetics and longevity using a diet and lifestyle intervention developed in her research and practice.
She has published two clinical studies on the potential bioage-reversing effects of an 8-week DNA methylation-supportive diet and lifestyle in middle-aged men and women in the journal Aging. She continues to lead the conversation around interventions for healthy aging and their extensive potential in improving individual and population level disease burdens, while also providing evidence-based and practical advice that cuts through the hype.
Dr. Fitzgerald is on faculty at the Institute for Functional Medicine (IFM), is an IFM Certified Practitioner, and lectures globally on functional medicine, longevity, and epigenetics to practitioners and consumers.
She maintains an award-nominated podcast series ranked in the top 1% of global podcasts by Listen Score, New Frontiers in Functional Medicine, and an active blog and Clinic Immersion webinar series through her website, www.drkarafitzgerald.com.
Follow Dr. Fitzgerald on Instagram: @drkarafitzgerald
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