90% of Your Serotonin Is in Your Gut — And It Could Be Why You're Constipated

Love & Guts by Lynda Griparic

You've probably heard serotonin called "the happy chemical." But over 90% of the serotonin in your body isn't made in your brain at all — it's made in your gut, and it does a completely different job there. In this episo...View more