1.   Beverly Torok-Storb, who does bone marrow research at Fred Hutchinson, considered taking estrogen before her sister was diagnosed with breast cancer.

2.   More evidence that while the benefits of taking estrogen are many, the risks are less clear.

3.   Taking estrogen stimulates activity in areas of the brain known to control memory, according to a study published this week.

4.   Two recent studies challenge the long-held belief that taking estrogen protects against heart disease.

5.   In fact, those taking estrogen fared worse than the placebo group in a rating of dementia.