food Cheese and Yogurt for your Brain: Will probiotics replace antidepressants in the future? Our bodies are home to an estimated 100 trillion "good" bacteria. There is about 10 times as many bacterial cells as human cells in the body, and most of them reside in our gut. Meriem HAID Hello! I'm a 21 year old pharmacy student from Algeria, who's also into art, psychology, history and science. I hope my content enlightens you. More posts by Meriem HAID. Meriem HAID 17 Apr 2020 • 3 min read Subscribe to Utopia Educators Get the latest posts delivered right to your inbox Subscribe Great! Check your inbox and click the link to confirm your subscription. Please enter a valid email address!