Could What You Believe About Your Food Affect Your Metabolism?

(via NPR)

In a study, people were given either a “healthy” milkshake or an “indulgent” one. But both milkshakes were the same. (via NPR)

By Alix Spiegel, NPR

Ever spend a lot of time looking at a food label, weighing — is this food good for me? Bad for me?

Here’s the thing you probably haven’t stopped to consider: how the label itself is affecting you.

Sounds crazy, but if participants believed the milkshake was “indulgent,” they thought they’d eaten more, and their digestion was affected. 
“Labels are not just labels; they evoke a set of beliefs,” says Alia Crum, a clinical psychologist who does research at the Columbia Business School in New York.

A couple of years ago, Crum found herself considering what seems like a pretty strange question. She wanted to know whether the information conveyed by a nutritional label could physically change what happens to you — “whether these labels get under the skin literally,” she says, “and actually affect the body’s physiological processing of the nutrients that are consumed.”

As a student, Crum had spent years studying the placebo effect — how a sugar pill can physically alter a body if the person taking the pill believes it will. She figured food labels might work the same way. So she came up with an experiment. Continue reading