The days of airplane cabins hazy with cigarette smoke are long gone, but a reminder of that era is still visible inside commercial jets. Smoking has been banned on commercial flights in the United States for decades, but the Federal Aviation Adminis

Cutting Down Smoking Could Boost Life Expectancy By A Year In Men, Predictive Models Show Cutting Down Smoking Could Boost Life Expectancy By A Year In Men, Predictive Models Show Reducing smoking rates to five percent of current levels by 2050 coul