The Gut-Brain Connection: How Diet Affects Your Mood
Ever had “butterflies” in your stomach before an exam or felt “sick to your stomach” when anxious? That’s not a coincidence. Your gut and brain are constantly communicating through a two-way system called the gut-brain axis . Scientists now call the gut our “second brain” because it has its own network of neurons (the enteric nervous system) and produces neurotransmitters like serotonin — which directly affects mood. In fact, about 90% of serotonin is made in the gut, not the brain! How Diet Affects Your Mood Your gut is home to trillions of microbes, collectively called the gut microbiome . These microbes thrive on what you eat — and in turn, they influence how you feel. Fiber-rich foods (fruits, vegetables, oats, beans): Feed good bacteria that support mental well-being. Fermented foods (yogurt, kefir, kimchi, sauerkraut): Contain probiotics that improve gut balance and reduce stress and anxiety. Omega-3 rich foods (salmon, walnuts, chia seeds): Linked with lower ris...