Though I’ve spoken about breast cancer for Susan G. Komen for the Cure (emphasizing the importance of early screening and detection), until a week ago I had never had a mammogram. In my training I’d been taught that mammograms weren’t that accurate or useful in women under 40 (our health system’s protocols reflect that), so I got regularly checked by my physician whenever I had a physical and otherwise was waiting until I was older to get testing. This year, because my mother had breast...