Lemon provides many health benefits when consumed internally. It acts as an antioxidant, fighting free radicals and diseases like cancer, stroke and heart disease. Lemon also supports immune function, lowers blood pressure and cholesterol. Additionally, lemon juice can be used topically to treat acne, hair lightening and skin issues like wrinkles and dryness. The document outlines 25 ways that lemon can benefit health and healing when consumed or applied internally and externally.