Sage is popular as a gargle for sore throats and singers but it's less known as a brain tonic. We've known for a while how important the brain is and this herb could prove helpful for avoiding diseases in the brain later in life. But who knows! Only time will tell. This plant profile looks at the traditional uses of the plant, what we've used it for centuries and how we might use it in the future. Featuring medicinal, emotional, astrological properties and more.