What is the gut-brain axis?

What is the gut-brain axis?

• What role does the gut-brain axis play in behavior? Identify and briefly describe one mental health condition that can be linked to the gut-brain axis.
• What nutrition, supplement, and/or lifestyle interventions could be applied to strengthen the gut-brain axis?
• How does the gut-brain axis relate to the psychology of eating? Consider stress eating, persistent hunger, nausea/lack of appetite, etc…