1.   And estrogen is important for healthy skin, so spreading an anti-estrogen cream on the skin could be harmful.

2.   But estrogen is likely to stimulate the growth of breast tissue.

3.   But some estrogen is better than no estrogen, she said, adding that the dose-cutting might be more pertinent to those who cannot tolerate more.

4.   But while many doctors pushed the concept, there has never been any real evidence that estrogen was good for the heart.

5.   Estrogen generally is not the culprit, contrary to what many believe.

6.   Estrogen is a possible explanation.

7.   Even though the first pill was about controlling reproduction and the second is about controlling menopause, estrogen is still the key ingredient and still in question.

8.   Further, estrogen could be particularly useful as an inexpensive method of protection in Third World countries, which are home to an overwhelming majority of HIV cases.

9.   In terms of cholesterol, it is also clear that estrogen alone is better than estrogen plus progestin, she says.

10.   Is estrogen the only answer?