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The Buffet Phenomenon: Researchers Find More Food Choices Linked To Fatter Mice

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This is why I hate buffets: Too many food choices make my head spin. For weight control, I prefer the out-of-sight, out-of-mind approach — keep the oversized muffins and pepperoni pizzas out of the house altogether. Call me rigid, but it seems to work.

Apparently, mice have similar issues, according to a study published in the journal Endocrinology.

The study tried to tease out the relative importance of genetics vs. environment when it comes to obesity risk. So, baby mice born to mothers with a defined high-fat or low-fat diet were randomly assigned to one of three diet groups: either a high-fat diet, a low-fat diet or to an "eat what you want" diet in which they got to pick and choose among the various options.

Researchers from Virginia Tech College of Agriculture and Life Sciences and the Edward Via College of Osteopathic Medicine report that:  "Offspring displayed negative outcomes of increased body weight, body fat, serum leptin, and blood glucose levels when given the choice diet compared with offspring on the [low-fat diet]."

This begs the question whether a child's environment can indeed trump genetics when it comes to obesity.

The Virginia Tech news release quotes one of the study authors who wraps up the findings simply:

"We like variety," said Deborah Good, an associate professor of human nutrition, foods, and exercise at Virginia Tech. "But when there is a choice, we eat more than when there is not any variety."

Though the study was done using mice, it can help inform researchers of how human's natural environment can affect food choices and ultimately a person's weight. In a country where one-third of adults and 17 percent of children are obese, understanding the root causes of the problem is imperative.

One apparent upside found among mice in the choice group, according to the report: they had "improved energy expenditure" compared to the low-or high-fat diet groups. "Essentially," the news release says, "the mice burned more energy as they wandered around and evaluated which food they were going to eat."

This recalls the food and environment research of Brian Wansink, a professor of consumer behavior at Cornell University in Ithaca, New York. A recent Psychology Today article on how we eat (and overeat) called, "Why Out of Sight is Really Out Of Mind," discusses how we can slip into mindless eating in a world where food is everywhere. But there are ways to eat smarter, if you think about what you're doing:

Wansink found that slim people approach an “all you can eat” buffet by “scouting out” what is available — "getting the lay of the land,” as it were — before they grab their plates and pile on food. They are also more likely to sit facing away from, and to choose a table farther away from a buffet; more likely to choose small plates; and, if eating Chinese food, eat with chopsticks.

Jean Fain, a Harvard Medical School-affiliated psychotherapist who runs "mindful eating" training sessions, has offered some tips on how to curb excessive eating, particularly during the holidays, when tables are brimming with tempting sweets and heavy dishes loaded with nostalgia. In a December post, she wrote:

If you find yourself automatically reaching for another piece of pumpkin cheesecake, step back from the dessert table and ask yourself: “How do I feel? What do I need? Do I really want another piece of cheesecake?” If you do, by all means, enjoy. But if you feel full, better to interrupt the automatic urge for more. It’ll taste better when you’re hungry. What’s more, a short interruption can give you back control.

Rachel Zimmerman Twitter Health Reporter
Rachel Zimmerman previously reported on health and the intersection of health and business for Bostonomix.

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