Burning Rosemary 🔥 Cleansing Herb Study: Why you should Burn Rosemary.Boost your mood and cleanse your space. ...The Science of Rosemary.Scientific evidence suggests that rosemary does in fact stimulate the memory centers of the brain. Burning this herb releases memory and mood boosting  and  this, Rosemary is known to be added into a mix with Sage Bundles.