Physician & dermatological surgeon. Longevity - Regenerative medicine. Ailesbury Clinics Dublin & Cork. Author, The Longevity Ladder. IMCAS 2027 Board.
Dublin, Ireland
Joined April 2007
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I’m Prof Patrick Treacy. Physician. Four decades in aesthetic and regenerative medicine. Now focused on longevity. My rule is biological honesty. A drug that changes a blood marker has not yet changed your life.
The Longevity Code is my video series on what the evidence supports, what it doesn’t, and what I prescribe. Rapamycin. Senolytics. NAD+. Peptides. Hormones. Reprogramming.
Keynote, Longevity Revolution 2026, New Delhi. IASRM Regenerative Innovator Award. Aesthetic Practitioner of the Year, Aesthetic Medicine Awards 2024. Longevity session co-chair, IMCAS World 2027.
Full series: youtube.com/@PatrickTreacyAi…
Tissue Repair as a Clinical Window
The relationship between psychological stress and wound healing is especially relevant to my clinical experience. For decades I have worked with damaged skin, vascular compromise, inflammatory complications and techniques intended to support tissue repair. Healing is not simply a matter of stimulating fibroblasts. Haemostasis, immune-cell recruitment, clearance of damaged material, epithelial repair, vascular support, extracellular-matrix deposition and remodelling must occur in a coordinated sequence.
🤖 Made with AI
Medicine has become remarkably sophisticated at measuring the internal environment of the human body. We measure glucose, cholesterol, inflammatory proteins, hormones and cardiovascular performance. We examine the genome and increasingly attempt to estimate biological age through DNA methylation. Yet there is another environment in which every patient exists: the circumstances of daily life. Relationships, responsibilities, security, uncertainty, sleep and opportunities for recovery all form part of the setting in which physiology operates.
🤖 Made with AI
Throughout this book I have argued that ageing is not simply the accumulation of molecular damage. It is also the gradual loss of regulatory precision that allows the organism to respond to disturbance. The social and psychological environment may influence that process, although the evidence varies considerably according to the outcome being examined. The question is not whether happiness prevents ageing. It does not. The useful question is whether prolonged adversity influences the systems responsible for maintaining health, responding to injury and restoring function.
🤖 Made with AI
Haiti, 2010. The earthquake had flattened Port-au-Prince. Kurdistan, in the shadow of Halabja.
Two disasters. Two journeys. I went as a doctor. I came back as a witness.
Where Angels Dare to Tread is the story of those years. What I saw, what I could do, and what I couldn’t. It is not a book about heroes. It is a book about people who keep going when everything around them has fallen.
Out now.
patricktreacybooks.ie
Amazon link too if you prefer direct purchase: amazon.com/stores/author/B01…
Every longevity claim I assess goes through one test.
Mechanism. Biomarker. Function. Disease outcome. Healthspan. Lifespan. Each rung is stronger evidence than the one below. But movement on one rung does not prove the next. A supplement that changes a pathway in a dish has climbed one rung. A drug that lowers a blood marker has climbed two. Almost nothing in longevity medicine has reached the top in humans.
When someone sells you longer life, ask them which rung they’re standing on.
The full framework is in my book, The Longevity Ladder: patricktreacybooks.ie
633 nanometres. Red light.
From the late 2000s, I built it into recovery at Ailesbury Clinic. After chemical peels. After laser resurfacing. On burns. Alongside PRP in facial rejuvenation and hair restoration. The biology is simple to state. Light at the right wavelength is absorbed by the mitochondria, and the cell gets energy to repair. Faster healing. Less inflammation.
It’s not magic, and it’s not a cure-all. But it is one of the few regenerative tools with a clear mechanism and decades of clinical use behind it.
Paris, 2003. IMCAS. I stood up with a set of slides on platelet-rich plasma. At the time PRP belonged to sports medicine. Most of the room had never heard of it in aesthetics. Some were openly sceptical.
They were right to be. Scepticism is how medicine protects patients. Twenty years later PRP is everywhere, and the hard question is still the same one I was asked that day: what does the evidence actually show?
The Longevity Code: Inflammation, the fire that won’t go out.
Chronic low-grade inflammation runs underneath most of the diseases of ageing. Heart disease. Diabetes. Dementia. Frailty. We call it inflammaging. A raised CRP tells you the fire is burning. It doesn’t tell you why.
So I don’t treat the number. I look for the cause. Excess visceral fat. Poor sleep. Inactivity. Smoking. Untreated gum disease. Those are what you fix. Lower the number without fixing the cause and you’ve changed a blood test, not your future.
I’m Prof Patrick Treacy. Physician. Four decades in aesthetic and regenerative medicine. Now focused on longevity. My rule is biological honesty. A drug that changes a blood marker has not yet changed your life.
The Longevity Code is my video series on what the evidence supports, what it doesn’t, and what I prescribe. Rapamycin. Senolytics. NAD+. Peptides. Hormones. Reprogramming.
Keynote, Longevity Revolution 2026, New Delhi. IASRM Regenerative Innovator Award. Aesthetic Practitioner of the Year, Aesthetic Medicine Awards 2024. Longevity session co-chair, IMCAS World 2027.
Full series: youtube.com/@PatrickTreacyAi…
In January I co-chair the Longevity Session at IMCAS World 2027 in Paris, on Saturday morning, 30 January, at the Palais des Congrès.
Ninety minutes. One rule for every speaker. Every claim tied to a published endpoint. Every commercial interest declared. Longevity medicine has moved faster in marketing than in evidence. That’s why this session matters. Aesthetic medicine is where many patients will first meet longevity claims, and they deserve to hear what holds up.
IMCAS World 2027, Paris, 28–30 January: imcas.com
Honoured to receive the Regenerative Innovation Award from the International Association of Aesthetic & Regenerative Medicine at Longevity Revolution 2026 in New Delhi.
Regenerative medicine is full of promise and full of claims. The two are not the same thing. My work has always been about separating them. Test the claim. Measure the outcome. Tell patients the truth about what the evidence supports. Grateful to IASRM and to Prabhu Chandra Mishra for the recognition, and to every colleague who came to Delhi to have that honest conversation.
Report from the congress: tribuneindia.com/news/busine…
