252. Astaxanthin, Inflammation, and the Science of Survival: A Physicist’s Journey Beyond Terminal Cancer with Samuel Shepherd

What if inflammation—not genetics, not aging, not bad luck—was the common thread behind most chronic disease?In this expansive and thought-provoking conversation, physicist, inventor, and engineer Samuel Shepherd shares his extraordinary personal journey after being diagnosed with a rare, terminal bone marrow cancer in 2003. Given no viable medical options, Sam turned to decades of scientific expertise to investigate inflammation, free radicals, and cellular breakdown—ultimately leading him to study astaxanthin, one of the most powerful antioxidants found in nature.We explore the science of oxidative stress, PD-L1 immune signaling, cellular transport, and why conventional antioxidant delivery often fails. Sam explains how he developed a patented glycosidic form of astaxanthin designed to improve absorption and target inflammation more effectively—and how this work reshaped not only his health, but his entire understanding of disease, aging, and resilience.This episode also dives into:Why inflammation may be the root driver of many chronic and neurodegenerative conditionsThe role of free radicals in cancer, Parkinson’s, Alzheimer’s, and metabolic diseaseHow modern diets—especially fructose exposure—impact inflammation over timeWhat HS-CRP can reveal about long-term health riskWhy curiosity, self-trust, and asking better questions matter more than blind complianceThis is not medical advice. It is an invitation into inquiry, responsibility, and deeper self-education—especially for those who sense that healing requires more than symptom management.If you’re someone who values science, autonomy, and understanding your body rather than outsourcing it, this conversation will expand how you think about health, inflammation, and what’s truly possible.Connect with Samuel: Website: https://valasta.net/ Youtube: https://www.youtube.com/@ValAsta Facebook: https://www.facebook.com/ValastaHome Connect with Kelly:⁠⁠⁠drkellykessler.com⁠⁠⁠Free Guide: Sacred Boundaries: ⁠⁠⁠http://drkellykessler.com/sacredboundaries⁠⁠Self-Respect Reset is a guided, body-based experience for women who struggle to set boundaries—not because they don’t know what they need, but because it hasn’t felt safe to honor it.Inside, you’ll learn how to rebuild inner safety, strengthen self-trust, and create boundaries that actually protect your peace—without guilt, over-explaining, or self-abandonment.👉 Learn more and join Self-Respect Reset here:⁠⁠⁠⁠http://drkellykessler.com/selfrespectreset⁠⁠⁠⁠Milk and Butterflies: Get free shipping on your order with this link:⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://milkandbutterflies.com/discount/DRKELLY⁠⁠⁠⁠⁠⁠⁠⁠⁠