THE GOOD NEWS
-- Vanity does not cause cancer. Countering previous reports, a study of the personal habits of 573,369 women found that long-term use of hair dyes does not trigger fatal malignancies.
-- If an expectant mother possesses the stamina and desire to jog, cross- country ski or otherwise kick up her heels during a normal pregnancy, she may do so without risk to herself or her fetus, the latest evidence suggests.
-- Scientists report that they are on the trail of a defective gene that allows tumors to spread to other parts of the body. By repairing the gene,...