Several natural agents, including both human endogenous neuroendocrine substances, namely the pineal hormones, and plants, mainly Aloe, Myrrh and Magnolia, have been proven to exert anticancer activities, due to antiproliferative and immunomodulating properties. On this basis, a study was planned in an attempt to evaluate the therapeutic efficacy of a psychoneuroendocrinoimmun-phytotherapic (PN...