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PeakMD Blog


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
6 days ago4 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 264 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 195 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 125 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 85 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 15 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 245 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 175 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 104 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 154 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 271 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 261 min read
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