Aspirin Is Seen As Preventing Breast Tumors
Researchers led by Dr Mary Beth Terry report women who take aspirin seven or more times a week have 26 percent lower risk of developing common type of breast cancer than those who do not; aspirin seems able to prevent breast tumors stimulated by hormone estrogen; such tumors account for 60 to 70 percent of all cases; scientists say it is too soon to recommend aspirin just to prevent breast cancer (M)