1. Mint contains menthol, a natural aromatic decongestant that helps to break up phlegm and mucus, making it easier to expel.8 Menthol also has a cooling effect and can help relieve a sore throat, especially when combined with tea.
2. In a study, menthol was found to help protect the lining of the stomach from the negative effects of indomethacin and ethanol, giving it a potential role in preventing gastric ulcers associated with alcohol consumption and regular use of painkillers.
3. Applying peppermint extract externally has been found to increase pain threshold in humans. Part of the bushmint family (Hyptis), Brazilian mint (Hyptis crenata) has been found to be as effective for pain relief as a synthetic aspirin-style drug indomethacin.