The Michael Shermer Show

Can We Prevent Aging? Eric Topol on Genes, Lifestyle, and AI in Healthcare

40 snips
Aug 18, 2025
In this engaging discussion, Eric Topol—a renowned cardiologist and digital health innovator—dives into the complexities of aging and the power of AI in healthcare. He highlights the importance of lifestyle factors and critiques the overemphasis on genetic testing. Topol warns against ultra-processed foods and champions GLP-1 drugs for healthier eating. The conversation also touches on the significance of sleep, diet choices, and social connections in promoting longevity, along with the groundbreaking potential of personalized medicine in cancer prevention.
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INSIGHT

Plastics And Chemicals Drive Inflammation

  • Microplastics and novel food chemicals provoke local inflammation linked to vascular and brain disease.
  • Topol cites studies finding microplastics in arteries and brain and ties them to higher heart attacks, strokes, and dementia.
ADVICE

Prefer Early Dinners And Time-Restricted Eating

  • Try time-restricted eating by finishing dinner early and skipping food until morning.
  • Topol says this gives the body metabolic downtime and likely benefits weight and health, though evidence on slowing aging is mixed.
ANECDOTE

Topol Shares His Daily Meals

  • Topol described his own routine: plain yogurt with berries and granola for breakfast and a protein salad for dinner.
  • He practices time-restricted eating and often skips food between dinner and the next morning.
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