Lots of plants can be used medicinally. Why use herbs? They are natural, as long as they have been gathered at a place where there is no risk of contamination from pollution or crop spraying you can be sure of a 100% natural product. Most medicines today owe their origin to herbal medicines that are eons old. Such as Aspirin who's main ingredient is salicylic acid which can be found in Willow bark and Meadowsweet and Black Cohosh. We would not advocate using alternative therapies in place of conventional medicine, especially for serious illnesses such as cancer. Under medical advice from your consultant medicinal herbs in this case may ease symptoms and side effects of drugs, All ways take care when using them either internally or externally as there are always possible side effects and allergic reactions. If in doubt always consult a doctor.