Science In Action - Can 'friendly bacteria' in our gut make us feel happier? - ÃÛÑ¿´«Ã½ Sounds

Science In Action - Can 'friendly bacteria' in our gut make us feel happier? - ÃÛÑ¿´«Ã½ Sounds
Can 'friendly bacteria' in our gut make us feel happier?
Can science harness the 'gut-brain' link and use friendly bacteria to make us feel better?