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Do Low-fat Foods Make Us Fat? Mindless Eating Leads Us To Consume More Calories

Date:
December 9, 2006
Source:
Cornell Food & Brand Lab
Summary:
"Low-fat" foods may not help in the fight against obesity. Cornell studies in movie theatres, holiday parties and homes show people eat an average of 28 percent more total calories when they think a food is low-fat. This is worse for obese people, who tend to eat up to 50 percent more.
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FULL STORY

Recent Cornell studies in movie theatres, holiday receptions, and homes showed people eat an average of 28% more total calories when they eat low-fat snacks than regular ones. "Obese people can eat up to 45% more," reports lead researcher Brian Wansink (Ph.D.), in the book, Mindless Eating: Why We Eat More Than We Think.

"People don't realize that low-fat foods are not always low-calorie foods," says Wansink. Fat is often replaced with sugar. Low-fat snacks are an average of 11% lower in calories, but people wrongly believe they are around 40% lower.

In one study, two groups of people attending a holiday open-house were given identical regular chocolates that were labeled as either "Regular" or as "Low-fat." People served themselves an average of a third more of the candies, which would have translated into 28% more calories if they had actually been low-fat. A second study showed this is because "people believe they will feel less guilty eating the low-fat foods, so they tend to overindulge, says Pierre Chandon, co-author and marketing professor at INSEAD in France. Fat is often replaced with sugar.

The complete set of research studies, published in the November issue of the Journal of Marketing Research, was cited by the Economist as one of two significant noteworthy studies published that month. It is titled, "Can 'Low-Fat' Foods Lead to Obesity""

For policy makers and companies, the message is that new "low-fat" foods are unlikely to solve the obesity solution. People are very likely to over eat a low-fat foods -- even if they don't like them as much as the regular versions.

For dieters, there's also clear message. As Wansink advises in the book Mindless Eating, "Stick with the regular version, but eat a little bit less. It's better for both your diet and your taste buds."


Story Source:

The above story is based on materials provided by Cornell Food & Brand Lab. Note: Materials may be edited for content and length.


Cite This Page:

Cornell Food & Brand Lab. "Do Low-fat Foods Make Us Fat? Mindless Eating Leads Us To Consume More Calories." ScienceDaily. ScienceDaily, 9 December 2006. <www.sciencedaily.com/releases/2006/12/061209083759.htm>.
Cornell Food & Brand Lab. (2006, December 9). Do Low-fat Foods Make Us Fat? Mindless Eating Leads Us To Consume More Calories. ScienceDaily. Retrieved April 28, 2015 from www.sciencedaily.com/releases/2006/12/061209083759.htm
Cornell Food & Brand Lab. "Do Low-fat Foods Make Us Fat? Mindless Eating Leads Us To Consume More Calories." ScienceDaily. www.sciencedaily.com/releases/2006/12/061209083759.htm (accessed April 28, 2015).

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