Digging into your garden might be the secret to a happier mind. Experts reveal that beneficial microbes in healthy soil, like Mycobacterium vaccae, can naturally boost mood and reduce anxiety by stimulating serotonin. Beyond this surprising mental health link, gardening offers significant physical benefits, including increased exercise and improved diet. It also provides a powerful antidote to stress and fosters valuable social connections, making it a holistic path to wellbeing.