
healthJul 7, 202536:27pending
This Predicts Your Lifespan Better Than Your Genes | ft. Shawn Stevenson
About this episode
Can something really predict how long you'll live—better than your genes?
In this eye-opening conversation, I sit down with best-selling author and researcher Shawn Stevenson to reveal the real missing piece in the longevity puzzle — one that researchers say outranks exercise, diet, and even quitting smoking.
Drawing from a massive meta-analysis of 300,000+ people, plus insights from Harvard’s 80-year longitudinal study, Shawn explains why the quality of your relationships is the #1 predictor of how long you’ll live — and why “warm social bonds” literally shape your biology, behaviors, and health outcomes.
Whether you're optimizing for longevity, brain health, or emotional well-being, this may be the most important health insight you're not paying attention to.
What you’ll learn:
How loneliness compares to smoking and obesity in terms of health risk
The neurological and hormonal effects of deep connection
What the longest-lived people on earth have in common socially
The difference between quantity and quality of relationships
Science-backed strategies to strengthen your social fitness
Referenced studies include:
Holt-Lunstad et al., 2010 meta-analysis on social isolation and mortality risk
The 85+ year Harvard Study on Adult Development
Research on oxytocin, inflammation, and the vagus nerve in connection to relationships
Follow Shawn: instagram.com/shawnmodel/
***
I’m Louisa Nicola — clinical neurophysiologist — Alzheimer’s prevention specialist — founder of Neuro Athletics.
My mission is to translate cutting-edge neuroscience into actionable strategies for cognitive longevity, peak performance, and brain disease prevention.
If you're committed to optimizing your brain — reducing Alzheimer’s risk — and staying mentally sharp for life, you’re in the right place.
Stay sharp. Stay informed. Join thousands who subscribe to the Neuro Athletics Newsletter → https://bit.ly/3ewI5P0
Instagram: https://www.instagram.com/louisanicola_/
Twitter : https://twitter.com/louisanicola_
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