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spec: Although the mechanism of the antitumor activity is not clear , the present study suggests the potentiality offered by fermented milk as producers of compounds with anti-proliferative activity useful in the prevention and therapy of solid tumors like breast cancer . Even public financing of manufacturing can , under some circumstances , lead to complementary private investment . '' We also have very good medical schools locally , and a lot of our doctors are involved in those training programs , `` she said . What is less known , and studied , is that friendly microorganisms found within fermented milk products could potentially reduce the incidence of tumors . It is also engaged in import and export trading .