TED Radio Hour

How to be a "Super Ager" (it's not your genes)

82 snips
May 1, 2026
Eric Topol, a cardiologist and longevity researcher, explains why genes are only part of the story. He covers lifestyle and prevention, the surprising limits of genetics, how vaccines and the immune system matter, and AI’s promise and pitfalls in early detection. He also calls out trendy fixes and urges evidence-based approaches.
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INSIGHT

Inflammation Is The Common Aging Culprit

  • Aging weakens immune integrity (immunosenescence) and increases chronic inflammation that drives heart disease, cancer, and neurodegeneration.
  • Inflammation is a dysregulated immune response producing harmful proteins in brain and arteries over time.
INSIGHT

Shingles Vaccine Lowers Dementia Risk

  • The shingles vaccine unexpectedly reduces Alzheimer's and dementia risk by ~20–25% in multiple country natural experiments.
  • Benefit seems tied to preserving immune function in older adults rather than direct antiviral effects.
INSIGHT

Thymus Health Predicts Long Term Outcomes

  • The adult thymus retains variable functional capacity and predicts survival, cancer, and cardiovascular outcomes.
  • Harvard researchers used AI on 25,000 chest CTs to quantify thymus health and link it to markedly better outcomes.
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