Spearmint has several medicinal uses and health benefits. Spearmint tea, for instance, is an extremely low-calorie beverage that contains vitamin C, antioxidants, and iron. This tea is often touted as a way to promote memory, digestion, and relaxation. Spearmint oil contains chemicals that may help reduce inflammation, kill bacteria, alter hormone levels, and damage cancer cells. This oil can also be used in aromatherapy to help alleviate nausea. Early research has shown that the carvone in spearmint behaves similarly to the active ingredients in high blood pressure medication. Spearmint may also be able to help lower blood sugar and improve memory. It contains antioxidants that are often associated with reducing the risk of illnesses like cancer and heart disease.