Tamoxifien is a drug that was first approved in 1998 by the FDA to reduce the chances of getting of breast cancer for women at high risk for the disease. In this book breast cancer is discussed in terms of what it is, who is at risk, diagnosis and surgery. Question are addressed such as "What is tamoxifin and can it prevent breast cancer?" Tamoxifien is a drug that was first approved in 1998 by the FDA to reduce the chances of getting of breast cancer for women at high risk for the disease.