1. 90-95% of your serotonin (the “happy” neurotransmitter that helps you synthesize vitamin D, and affects cognition, memory, mood, alertness, reward learning/addiction/cravings, and several other processes) is produced in the gut. Low serotonin levels can cause anxiety and depression, among other challenges. Plastics, overly-processed foods, heavy metals, herbicides/pesticides, and antibiotics/antibacterials/antimicrobials damage the gut, destroy the … Continue reading 5 Basic Things You Should Know About Your Body →