A CST practitioner will massage a patient's scalp in the belief that the precise positioning of their cranial bones can have a profound impact on their health. However, according to the American Cancer Society, "available scientific evidence does not support claims that craniosacral therapy helps in treating cancer or any other disease".[108] Colon cleansing – the practice of cleansing the colon using laxatives and enemas to "detoxify" the body.