Complementary medicine refers to a diverse range of medicines and therapies that are not considered core conventional medical or allied health pracices .Examples include naturopathy , homeopathy , reiki ,vitamin and mineral supplements . herbal medicine . traditional Chinese medicine medicine and aromatherapy . Complementaly medicine is used by many cancer patients , with estimates ranging between 7% and 91%. Patients often state reasons such as ‘wanting control’ and ‘a way of finding hope’ as motivation for using complementary medicine.