Airports—famous for long stressful waits and greasy hot dogs on warming rollers—have gone on a health kick.
Dallas-Fort Worth International Airport and San Francisco International Airport both now offer free yoga rooms in terminals. Several airports, including Indianapolis, Cleveland, St. Louis and DFW, have laid out half-mile walking paths through terminals in conjunction with the American Heart Association, hoping to turn "mall walkers" into "terminal walkers." And many are pushing vendors to offer options that are lower in fat and calories—even writing healthy-food requirements into new leases. MORE: WSJ