The Corner on National Review Online:

"OBESITY [Ramesh Ponnuru]
"The Public Interest has an interesting article by two economists. It notes that obesity rates have doubled since 1980, and concludes that two factors were primarily responsible: the growth in the number of fast-food and other restaurants (itself, they say, largely driven by increases in female labor force participation) accounted for two-thirds of the increase in obesity; the rise in the price of cigarettes (largely driven by taxes) accounted for another fifth."