The Cholesterol Conversation Is Changing
By Dr. Kathryn Dundas, MD, CCFP Sublime Life | The JournalFor decades, cholesterol advice sounded fairly simple. Lower LDL.Raise HDL.Take a statin if needed. But the science of cardiovascular health — and longevity — has become much more nuanced.Today we understand that what matters most isn’t just cholesterol levels. It’s the number of damaging particles […]
The Missing Mineral in the Aging Brain
By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal I’ve been watching the science over the past year as it evolves around the mineral lithium and brain health. It caught my attention for a few reasons. First, lithium is not just a medication — it’s actually a naturally occurring trace mineral that exists in […]
Sleep Is a Safety Signal
By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal Why the nervous system must feel safe before the body can truly sleep.I hear it every week. “I’m exhausted. But I can’t shut off.”They fall asleep. Then they wake at 3:17 a.m.Their heart isn’t racing wildly.But it’s alert.Their brain is online. They’re tired.But not safe […]
Is It Anxiety… or Insulin Resistance?
By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal Most people think insulin resistance is about weight. It’s not.It’s about signal distortion. Insulin is a communication hormone.It tells your cells: energy is here. When that signal becomes blunted, the body compensates.And compensation is where symptoms begin. How Insulin Resistance Shows Up in the Mind […]
Your Liver Doesn’t Need a Detox
By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal This week, a patient asked me how to detox their liver.And I realized we’ve been taught to cleanse the body instead of understand it.So my real question was: what signals is their system sending them?Because the liver rarely needs a detox. It needs support. SUBLIME […]
Why Longevity Is a Systems Problem (Not a Supplement Problem)
By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal Most people come to longevity looking for a lever.A supplement.A protocol.A single test that will tell them what to fix. But longevity doesn’t work that way. Healthspan isn’t determined by one system in isolation — it emerges from how multiple systems talk to each other […]
The Art of Not Pushing – How Cortisol Quietly Shapes Everything
By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal There’s a moment I see again and again — in clinic, in conversation, and honestly, in myself. It’s the moment when everything is technically fine…but your body is quietly asking for less.Less output.Less optimization.Less pushing through. And yet, we keep going. What’s often happening beneath […]
The Journal: Repair
By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal How your body fixes, restores, and rewrites itself—every single day January isn’t about pushing harder.It’s about repair.Repair is what happens when the body finally has enough safety, rhythm, and rest to do what it’s always been trying to do in the background—restore balance. One of […]
The Journal: What’s Shaping the Longevity Conversation
By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal What I’m listening to. What I’m reading. What I’m watching. Longevity medicine isn’t just advancing in labs — it’s evolving in conversation, culture, and consciousness. This week marked a subtle but important shift:away from what we prescribeand toward how we interpret, integrate, and live with […]
The Journal: Mirror Neurons, Holiday Triggers & Why Your Body Always Knows
The holidays are often described as triggering — and while that word gets overused, there is a very real biological reason this time of year can feel especially hard for some people. This isn’t about being “too sensitive.” It isn’t about mindset or willpower. It’s about how our nervous systems are wired, and how they communicate with one […]