Tour of the Body Series, Nervous System Dr. Megan Marie, ND Tour of the Body Series, Nervous System Dr. Megan Marie, ND

Enteric Nervous System

The enteric nervous system (ENS), often called the "second brain," is a complex network of neurons embedded in your digestive tract. It operates both independently and in close communication with your brain, regulating digestion, supporting gut health, and even influencing mood through the gut-brain axis. From controlling gut motility with the Migrating Motor Complex (MMC) to partnering with your microbiome to produce mood-boosting neurotransmitters, the ENS is vital for overall health. Explore how this intricate system impacts your digestion, immunity, and mental well-being—and discover actionable tips to support your gut-brain connection.

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Tour of the Body Series, Nervous System Dr. Megan Marie, ND Tour of the Body Series, Nervous System Dr. Megan Marie, ND

Autonomic Nervous System

Our autonomic nervous system (ANS) works tirelessly behind the scenes, managing essential functions like heart rate, digestion, and stress response—even while we sleep. In this post, we dive into the ANS and its three branches: the sympathetic (“fight or flight”), parasympathetic (“rest and digest”), and enteric (our “second brain” in the gut) systems. Discover how these systems shape your daily experience and set the foundation for balanced health. Join me in noticing how your body responds throughout the day as we prepare to explore each system in depth over the coming weeks.

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