The macrobiotic diet has many heath benefits, and has been linked with improvements in many medical conditions, including serious illness such as cancer and AIDS. It is also recommend to patients with a high risk of cancer or heart disease, since it is a high fiber, low – fat diet that includes a wide range of vegetables and soy protein. For anyone considering the macrobiotic diet, it is important to use moderation; an extreme macrobiotic diet can cause more hearth problems if it is not under medical supervision.