1.   But the advisory board is not suggesting estrogen use be restricted or banned.

2.   Such is the case with postmenopausal estrogen use, which protects against heart disease but somewhat increases breast cancer risk.

3.   More research is needed to prove the link between long-term estrogen use and ovarian cancer, cautioned Dr. Diane Bodurka-Bevers of the M.D. Anderson Cancer Center.

4.   There was no suggestion that estrogen use be restricted or banned.