...tamoxifen since the American study and I have grave concerns about the widespread use of it in healthy women," said Dr. Trevor Powles, leader of the British study. Tamoxifen is known as an "anti-estrogen" because it blocks the effects of the hormone...

...Dileep Kondur-Rahul Saha (L) def. David Jang-Trevor Powles 8-4; No. 2--Clayton Grice-Eric Franklin (L...Dileep Kondur-Rahul Saha (L) def. David Jang-Trevor Powles 8-4; No. 2--Clayton Grice-Eric Franklin (L...