Is there science behind the ‘nervous system reset’?
from Science Friday Hosted by Flora Lichtman, Shoshannah Buxbaum, Kevin Tracey
On social media, the vagus nerve often gets billed as the gateway to nervous system nirvana: It’s your ticket to better rest, relaxation, and health if you “stimulate” it correctly. Where did this idea come from, and what does the research say? In March, Host Flora Lichtman talked with neurosurgeon Kevin Tracey, a pioneer of a field called bioelectronic medicine, which uses techniques to stimulate the nervous system with electricity. Back in the 1990s, he was the first to discover that the vagus nerve regulates the immune system and inflammation. Guest: Dr. Kevin Tracey is a neurosurgeon, and president and CEO of the Feinstein Institutes for Medical Research at Northwell Health. He is the author of The Great Nerve. Transcript will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Follow us on socials @ scifri on YouTube, Instagram, Facebook, TikTok, and Bluesky and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374
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What this episode covers
In March 2026, we explored the science behind the much-hyped idea that you can "reset" your nervous system by stimulating the vagus nerve.
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