Jade | Holistic Mental Health on Instagram: "Have you ever heard of the vagus nerve? 🧬 You may be surprised to learn that the vagus nerve (which makes up 75% of your parasympathetic nervous system) has a major influence on your mental health. The vagus nerve connects the gut and brain, through the gut-brain axis. It communicates information from the gut to the brain using neurotransmitters (such as serotonin and glutamate) and gut hormones, all of which play a vital role in sleep, mood, pain,