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PeakMD Blog


Science Plus Soul: How My Longevity Practice Relates to Peter Attia’s Approach.
Why I admire his work and how my North Framework adds awe, connection, and real-life flexibility. By: Siobhan Gray, MD Patients keep asking me a version of the same question: “So… are you like Peter Attia?” Short answer: I’m a big Peter Attia fan. Longer answer: I’m deeply influenced by his work, but I practice longevity medicine in my own way; one that I think of as science plus soul. In this post I want to share how I see Peter Attia’s framework, where I align with it, and
Siobhan Gray
Jan 76 min read


Your North, My Navigation: How We Build a Life of Vitality TogetherWhy I don’t do primary care- and what I do instead.
By: Siobhan Gray MD Your life isn’t a someday plan. It’s happening right now. That’s the place I want to meet you.Lately, I’ve been getting a lot of versions of the same question: “Are you going to do primary care?” Primary care is essential. I’m grateful for the clinicians who do that work, and I want every person I care for to have a solid primary care relationship. But that’s not the role I’m here to play. What lights me up is something different: walking alongside people
Siobhan Gray
Dec 31, 20256 min read


The Sauna Ritual: Science, Safety, and the North Framework
By: Siobhan Gray, MD At Daybreak Recovery, the sauna is more than a place to sweat. It’s a return to rhythm, of heat, rest, circulation, and community. From the forests of Finland to the cedar-lined walls of Sisters, Oregon, sauna rituals have long been woven into the fabric of cultures seeking vitality, connection, and calm. But beyond tradition, what does the science say? And how can we safely and intentionally incorporate sauna use into a modern longevity and recovery prac
Siobhan Gray
Dec 24, 20254 min read


PEMF Therapy at Daybreak: Science, Soothing, and a Modern Way to “Ground”
By: Siobhan Gray, MD If you’ve ever lain on the PEMF mat at Daybreak and thought, “Why does this feel like being outside on a really good day?” you’re not imagining it. There is science behind PEMF. There is also something quieter: a sense of grounding, of coming back into your body in a world that constantly pulls you out of it. This is my physician-meets-human overview of PEMF at Daybreak Recovery Spa: what it is, what the research actually shows, where the science is still
Siobhan Gray
Dec 17, 202510 min read


Bioindividual Nutrition: Why There’s No One-Size-Fits-All Diet
By: Siobhan Gray, MD Everyone wants the perfect diet. And everyone’s convinced they’ve found it until it stops working. Peter Attia calls nutrition “the most frustrating field in medicine,” and he’s right. The data are messy, the variables endless. But the truth isn’t that nutrition science has failed. It’s that we’ve been asking the wrong question. Not, what's the best diet? But what’s the best diet for you? Why Nutrition Research Contradicts Itself Nutrition studies are not
Siobhan Gray
Dec 10, 20255 min read


Nature’s Protective Code. The Hidden Physiology of Belonging to the Earth
By Siobhan Gray, MD The Quiet Return It was one of those cold, sharp fall mornings when the air stings your lungs but somehow feels like medicine. I laced up my shoes and ran along the Metolius, trying to outrun the static in my mind, the to-do lists, the worries, the half-finished plans. The river was running fast and clear, its voice louder than the thoughts in my head, which was the point.For the first mile, I was still inside myself, ruminating, restless, calculating. By
Siobhan Gray
Dec 3, 20254 min read


Recovery Is Biology, Not Luxury
By: Siobhan Gray, MD The Myth of Rest as Indulgence For years, I treated recovery as something optional, something I would get to when everything else was done. Like many physicians, I was fluent in cortisol and catecholamines, yet illiterate in rest. I could quote the mechanisms of stress but could not honor my own need to slow down. We live in a culture that glorifies doing. Productivity has become a proxy for worth, and stillness can feel like failure. But your biology doe
Siobhan Gray
Nov 26, 20254 min read


VO₂ Max: The Breath of Longevity. What one number can tell us about how we live—and what it can’t.
By: Siobhan Gray, MD A Conversation with Your Breath Take a moment and notice your breath. Inhale slowly through your nose, then exhale. It’s such an ordinary act that we rarely pause to consider its power. Each breath is a quiet conversation between your body and the world—an exchange that fuels every thought, every step, every heartbeat.Hidden within that exchange is a number called VO₂ max. It might sound like a metric meant for endurance athletes, yet it is one of the str
Siobhan Gray
Nov 19, 20255 min read


The Science of Remembering Each Other. On cognitive health, community, and what it really means to stay well.
By Dr. Siobhan Gray, MD – PEAKMD Last week I sat in a town-hall meeting about how to support older adults in our region. The room hummed with the voices of neighbors, caregivers, and city planners. Charts on aging populations, new resource maps, talk of transportation and housing. All important. All practical.But as I listened, a quiet awareness stirred in me.Across the street from my own house lives a woman I used to wave to every morning. She has Alzheimer’s. I have waved l
Siobhan Gray
Nov 12, 20255 min read


East and Longevity: The Power of the Pause
By:Siobhan Gray, MD My Story of Stillness When I began this journey, I wore a necklace that simply read; “be still.” At the time, it felt...
Siobhan Gray
Oct 8, 20255 min read


Your North Star Is Not Enough: How to Clarify Your “North” Before You Set Another Health Goal.
By Siobhan Gray, MD “You don’t need a perfect plan. You need a direction .” I Lost My North I didn’t lose it all at once. It was a slow...
Siobhan Gray
Oct 1, 20255 min read


Finding South: The Grounding of Your Compass
By: Siobhan Gray, MD Think back to a night you barely slept. The next day, did you crave a salad or did pizza sound a lot easier? Or...
Siobhan Gray
Sep 24, 20255 min read


The Gut as a Living Archive
By: Siobhan Gray, MD In my book club we read Sirens , a novel where children “remember” their parents’ conversations. It sounds like...
Siobhan Gray
Sep 17, 20255 min read


Why Connection Might Be the Most Powerful Medicine
By: Siobhan Gray, MD The river is loud, the sun is warm, and I’m laughing so hard my sides ache. My paddle dips in time with my friends’,...
Siobhan Gray
Sep 10, 20254 min read


Not Just Longer, But Better: What Longevity and Precision Medicine Really Mean
By Siobhan Gray, MD I became interested in longevity medicine before I even knew it had a name. It started as a quiet unease. I was...
Siobhan Gray
Jul 15, 20254 min read


PNOĒ: The Gold Standard in Metabolic & Performance Testing
At PEAKMD, we use PNOĒ Metabolic Testing to provide unparalleled insights into your metabolism, cardiovascular health & fitness performance.
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Jan 27, 20251 min read


STYKU: Precision 3D Body Scanning for Longevity, Weight Management & Menopause Health
At PEAKMD, we utilize STYKU 3D Body Scanning to provide accurate, data-driven insights into your body composition, shape & metabolic health.
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Jan 26, 20251 min read
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