Most of us are unaware of the multiple ways digestion affects our immune system, cognitive function, circulation, and so much more. A good place to start when trying to improve your health is working on healing and optimizing gut function.

References: http://raypeat.com/articles/articles/serotonin-disease-aging-inflammation.shtml http://raypeat.com/articles/articles/rosacea-inflammation-aging.shtml http://raypeat.com/articles/articles/serotonin-depression-aggression.shtml