Seduced by snacks? Not you.

• Position: PSYCHOLOGY - Brief article

Do you reach mindlessly into the chip bowl or eat more when you're with a friend who's pigging out? "No way!" you say. But Brian Wansink, who heads the Cornell University Food and Brand Lab, suspects otherwise. "People will swear they aren't influenced by the size of a package, or how much variety there is on a buffet, or the fancy name on a can of beans, but they are," he says. Wansink studies the cues that make us...