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Video library· Dr. Kristi Sawicki

Healthy Aging Month: How I'm Trying to Slow Aging at 50: Epigenetics, Muscle, Sleep + Peptides

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About this video

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As someone with a PhD in molecular and cellular oncology who spent 25 years studying cancer cells, I think about aging differently than most people — and it's not about stopping it. It's about how well you get there. In this video, I break down: → The difference between chronological age and biological age → The hallmarks of aging — and why no single supplement or peptide "reverses" it → Epigenetics, explained through identical twins → My own DunedinPACE result (the "speedometer" for how fast you're aging) → My full personal protocol: how I use testing to decide what to invest in, including the specific peptides I currently have in rotation This is educational content based on my own self-experimentation — not medical advice. I'm a scientist, educator, and coach, not a medical provider. Peptides mentioned are research-use-only and used under licensed provider supervision. Talk to your own doctor before making changes to your own protocol. Want to go deeper? Join Pep Talk, my private community for women who want to understand their own biology and optimize not just for how they look and feel today, but for their future selves. $99/month, cancel anytime. https://women-s-optimized-wellness.mn.co/landing?space_id=21519080 YouTube Chapters 00:00 Why aging is about how well you age 02:11 Biological age vs. chronological age 03:07 The hallmarks of aging 05:36 Epigenetics, explained 06:31 Why identical twins can age differently 08:50 Epigenetic testing and three age metrics 09:44 Pace of aging: the speedometer analogy 12:08 What makes biology modifiable 14:28 Using testing to guide interventions 15:13 Blood work and personalized interventions 16:05 Choosing peptides based on data 16:53 GLP-1 strategy and why she uses it 17:27 Peptides for growth, immune, and brain support 18:44 Retesting after 3–4 months 20:33 Health span vs. lifespan 21:23 Disclaimer and educational use #Longevity #Biohacking #HealthyAging #Epigenetics #Peptides #Healthspan

Dr. Kristi Sawicki · 21 min · Source published: 2026-09-28

Added to Harbor: 10/22/2026

Original on YouTube ↗

Automatically categorized source. Creator statements are not an independent evidence review or personal medical guidance.

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