Refusing to Accept a Terminal Diagnosis with Samuel Shepherd
When Samuel Shepherd was diagnosed with a rare terminal blood cancer, doctors told him there was no treatment, no cure, and possibly very little time left. For many people, that would have been the end of the story. For Samuel, it became the beginning of an obsession.
A physicist, engineer and inventor with decades of experience across biochemistry, environmental science and high-level government projects, Samuel turned all of his knowledge towards one goal: staying alive. What followed was years of relentless research, experimentation and a refusal to accept inevitability.
This conversation is different from most episodes of Mid-Life Men. It’s part survival story, part deep dive into inflammation, disease and the science behind Samuel’s discovery of a naturally occurring molecule called 'astaxanthin' – and why he believes it changed everything for him.
But beneath the science is something more human:
- what happens psychologically when you’re told your life may be ending
- how fear can completely change shape
- why purpose matters when everything familiar falls away
- and what relentless determination really looks like in practice
Whether you agree with Samuel’s conclusions or not, this is a fascinating conversation about resilience, mortality, curiosity and refusing to give up when the odds look impossible.
If you want to find independent research on astaxanthin, go to the National Institute of Health website or the National Center for Biotechnology Information. To find out more about Valasta as a supplement, visit Valasta.net.

















