Study Questions Hormone Rx for Prostate Cancer
Running contrary to current guidelines, new research suggests that use of hormone-suppressing treatment over the long term may not help some men battling recurrent prostate cancer, and may even cause harm.
EPA to Phase Out Chemical Testing on Mammals
The EPA has long required that new chemicals be tested on a variety of animals -- including rats, dogs, birds and fish -- to assess their toxicity. The percentage of tests that involve mammals was not immediately available from the EPA.