dr. j. leonard lichtenfeld is here to walk us through the report. he's the american cancer society's acting chief medical officer. dr. lichtenfeld, thanks so much for being with us. let's sort of unpack some of these numbers. you talk about the study say lung cancer rates going down largely because smoking is going down, but it's going down twice as fast among men as ang women. why is that? erstand, we need to und that men have been smoking for a much longer time, and women began to take up the habit in the la '60s, '70s. i took a longer time for the women to understand that smoking is not good for your health or men, and the death rate decline in men started more steeply and earlier than women. fortunately, we're seeing decreases in smoking and lung cancer death rates for both men and women aswe provide this report. >> yang: and t state also und that there are higher lung cancer rates among women born in the '60s compared to men of the same age. any idea why that is? >> that's correct. that was research recently reported by my colleagues here at the