Vigor Life Podcast

EP223: How To Supercharge Your Thinking, Future-Proof Your Brain & Stay Share At Any Age w/ Dr. Tommy Wood

19 snips
Mar 6, 2026
Dr. Tommy Wood, Associate Professor of Pediatrics and Neuroscience and author of The Stimulated Mind, studies brain health across the lifespan. He discusses why novel, challenging skills beat passive puzzles. He explains risky play, the roles of cardio and strength training, the 3S model (stimulation, supply, support), and practical biomarkers and lifestyle moves to protect cognition.
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INSIGHT

Drugs Help Or Harm Depending On Energy Balance

  • GLP-1 drugs help those with metabolic disease by restoring healthier energy balance but can be harmful if they induce chronic under-eating.
  • Net cognitive effect follows a bell-shaped curve of energy availability.
ADVICE

Use HIIT And Resistance Training Over Peptides

  • Prefer exercise-based ways to trigger trophic signals (HIIT for BDNF, resistance training for IGF-1) instead of unproven peptides.
  • Use high-intensity intervals to boost BDNF and resistance training to support white matter via IGF-1.
ADVICE

Test Key Metabolic And Nutrient Biomarkers For Brain Risk

  • Monitor metabolic and nutrient markers: fasting glucose/A1c, fasting insulin/C‑peptide, blood pressure, omega‑3 status, homocysteine, iron, vitamin D.
  • Address abnormalities because blood-sugar and blood-pressure are top predictors of dementia risk.
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