CD4 and cancer: A recent comprehensive review of the human trials undertaken in order to study the effects of coix seed consumption [4] has suggested that: (i) the coix seed may promote the spontaneous regression of skin viral infections [5,6], and (ii) kanglaite (a purified oil of the coix seed used in cancer treatment) increases the CD4+ T cell presence in the peripheral blood of cancer patients undergoing cancer therapy [7,8,9,10].