Did You Know!
Your Stomach “Talks” to Your Brain Through a Direct Nerve Line
There is a direct communication highway between your stomach and your brain called the vagus nerve.
This connection:
- Signals when you’re full
- Influences hunger hormones
- Affects mood and stress response
- Can even trigger nausea or “butterflies”
In fact, about 80–90% of the signals in the vagus nerve travel from the gut to the brain, not the other way around.
That means your stomach is constantly sending updates about digestion, inflammation, and even microbial activity.
This gut-brain connection is why stress can cause stomach pain — and why digestive issues can influence mood.