Bone up on bone health. Keeping your bones healthy throughout your life is important; however, if you’re a woman who’s been diagnosed with breast cancer, bone health is especially important. Research shows that some breast cancer treatments can lead to bone loss. Plus, women are about twice as likely as men to develop osteoporosis after age 50. Talk to your health care team about specific recommendations for keeping bones healthy, taking calcium and vitamin D, and appropriate weight-bearing exercises to help keep bones strong.