Drug prevents some breast cancers

Hormone-blocker drug can waylay some malignancies in healthy women

A drug that inhibits the manufacture of estrogen can lower the likelihood of breast cancer among healthy women whom doctors consider at risk of developing the disease. The drug, called exemestane, may offer a preventive approach to combating the malignancy, the study authors reported June 4 at a cancer meeting in Chicago and online in the New England Journal of Medicine .