A group of researchers<ref>None of the researchers hold positions in oncology, the specialty devoted to cancer, and one of the researchers is a nutritionist.</ref> at the Harvard School of Public Health and Harvard Medical School, operating under a government research grant, claim that a group of relatively young nurses show no increased incidence of breast cancer from abortion. | A group of researchers<ref>None of the researchers hold positions in oncology, the specialty devoted to cancer, and one of the researchers is a nutritionist.</ref> at the Harvard School of Public Health and Harvard Medical School, operating under a government research grant, claim that a group of relatively young nurses show no increased incidence of breast cancer from abortion. |