I've said it before. Every time I go running I feel like I'm crushing cancer with each and every step I pound onto the pavement. It's exhilarating, knowing I'm doing something good for my body and my soul, knowing every day I run is one more day I've survived a nasty disease. Apparently, others agree.

Think about this:

A new Susan G. Komen Race for the Cure magazine advertisement features a close-up shot of the bottom of a running shoe. Woven into the tread on the bottom of the shoe are these words:

Every step resounds with the satisfying crunch of breast cancer being stomped into oblivion.

This is exactly how I feel.

They are called DES daughters, and they are the women who mothers took the anti-miscarriage hormone drug DES during pregnancy. It is estimated that millions of pregnant women were given this drug between the 1940s and 1960s, and it's now been determined that the daughters born to these women have not only an increased risk of a rare vaginal cancer but also nearly double the chance of developing breast cancer.

This sad finding has been addressed before but now more than ever, DES daughters are urged to stick to a strict breast cancer screening schedule.

A news brief published in the February 2007 issue of Good Housekeeping boldly reminds all women to comply with government guidelines that call for mammograms for all women every one to two years starting at age 40 and every year after the age of 50. But it's a different story for women exposed in utero to DES.

"If you were exposed to DES, be sure to let your doctor know and have a mammogram ever year, even in your 40s," says Julie Palmer, lead researcher of the DES study.