Several other technologies are also used. Lost bone cannot be regained, but estrogen often slows or stops further loss. The Pill, of course, also provides the bonus of birth control. Other possible contraindications are a history of cervical or uterine cancer, blood clots, hypertension, heart attack, stroke, liver or gallbladder disease, or unexplained vaginal bleeding. Be alert to safety hazards in your environment, especially as you grow older.
Bone density is only one aspect of the risk of fractures.
Preventing falls is another. Other advocates are just as convinced that women are not being treated aggressively enough and that this is a sadly neglected area of public health. As women, as runners, as health consumers, we need to educate ourselves. We need to look at how we and our daughters are running our lives, as well as our races. We need to question our coaches and our doctors.