The Journal: The In-Between Week
By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal Orientation Is a Biological Skill This week sits in between.Between Christmas and the calendar reset.Between rest and routine.Between endings and beginnings. For many in the northern hemisphere, it’s winter — darker mornings, quieter streets, inward energy.For others, it’s summer — long days, stimulation, social pull. […]
The Journal: Nutrients, Aging, and What Your Body Actually Needs Now
Your body changes. Your nutrient needs do too. By Dr. Kathryn Dundas, MD, CCFPSublime Life | The Journal There’s a moment in longevity medicine when nutrition stops feeling generic and starts feeling deeply personal. Your age, sex, genetics, neurodiversity, gut microbiome, and even your immune reactivity all change what your body can absorb — and […]
Your Microbiome, Your Longevity
We talk a lot about mitochondria, hormones, and even genetics in longevity medicine — but one of the most powerful determinants of how you age is living inside you right now: your microbiome.
Heart Health Has a Gender Gap: Why Men and Women Age Differently — and Need Different Care
Your heart doesn’t age at the same pace as the rest of you. Recent research shows men’s hearts often appear nearly a decade “older” than their chronological age, while women experience a steep rise in risk after menopause when estrogen’s protective effects wane.
Why Medical-Grade Beauty Matters More Than Ever
By Dr. Kathryn Dundas | Sublime Life Slow Age with Intention The headlines have been loud this week. The EU just banned a chemical found in gel nail polishes after studies suggested links to reproductive health risks. Understandably, people are asking: is beauty safe? At Sublime Life, this isn’t a new question. From the very […]
What Is Longevity Medicine?
Everywhere I look lately, the word longevity is trending. It’s on wellness podcasts, splashed across magazine covers, woven into the latest biohacking fads. Depending on who you ask, longevity medicine is either the future of healthcare—or just another over-hyped buzzword. There’s a lot of noise, and people are right to wonder: what actually is longevity medicine?
What Is Longevity Medicine?
By Dr. Kathryn Dundas | Sublime Life Slow Age with Intention A buzzword, or the future of health? Everywhere I look lately, the word longevity is trending. It’s on wellness podcasts, splashed across magazine covers, woven into the latest biohacking fads. Depending on who you ask, longevity medicine is either the future of healthcare—or just […]
The Hidden Rules of Hormones, Aging, Energy & Vitality
One morning, you notice something’s off: the coffee doesn’t kick in, workouts don’t feel productive, energy is low, motivation is thin, and the mirror looks different (hello, belly around the middle). These subtle shifts aren’t “just aging”—they’re often hormonal.
The Genetics of Getting What You Need
Your genes influence far more than your eye colour or hair type—they help decide how well you absorb, transport, and activate nutrients. This field, called nutrigenomics, looks at how your unique DNA affects the way your body uses vitamins, minerals, and phytonutrients.
Clear the Clutter: Unlocking Autophagy for Cellular Renewal
“External supplementation of spermidine extends lifespan and health by stimulating cytoprotective macroautophagy.”