Nicole HollarIntegrative Life Coach | Behavior Change Expert | Author | Speaker - Helping high-functioning people and organizations uncover blind spots so they can get out of their own way.

The power of the gut

5 Jun 2025 · 0 min

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0:27

This content was created by Nicole Hollar. This content was uploaded by Nicole Hollar. This is a YouTube video titled "The power of the gut" (created 2025-06-05) containing a short, English presentation by a single speaker (labeled SPEAKER A) about the gut microbiome. The speaker explains that gut microbes produce roughly 50% of the body's dopamine and about 90% of its serotonin, and discusses how these neurotransmitters influence mood, appetite, digestion, sleep, and memory — suggesting the microbes can manipulate host behavior.