What's "the Best Predictor" for Breast Cancer?

On October 2, the Journal of Physicians and Surgeons published a study that concluded abortion was "the best predictor of breast cancer" for women from industrialized nations. (Read the whole study here in PDF format.)

You may think abortion is off-topic, but the Orthodox Fathers were pro-life.

Full scholarly citation: Carroll, Patrick. "The breast cancer epidemic: modeling and forecasts based on abortion and other risk factors." Journal of American Physicians and Surgeons. Vol. 12, No. 3 (Fall 2007). 72-78.