Hormone therapy in postmenopausal women increases the risk of death from lung cancer, according to a newly published post hoc analysis of the large and influential placebo-controlled Women's Health Initiative trial.Lung cancer incidence was not higher in women who were treated with estrogen plus progesterone, but they were significantly more likely to die of the disease, the investigators reported. The mortality effect was most pronounced in smokers and former smokers. No difference was seen in mortality...