Surviving Thanksgiving without packing on pounds

By Boston Globe | Nov 21, 2012

'Tis the season when we'll see countless articles about holiday weight gain. It's commonly believed that Americans gain, on average, 5-10 pounds between Thanksgiving and New Year's. It turns out that the average gain is closer to 1 pound - but that, according to a study, is a pound you never lose.

 

After a few decades that annual pound becomes obesity.

 

But say you're someone who does gain a few pounds this time of year. Is it really because you eat turkey, mashed potatoes, fruitcake, and eggnog nonstop from late November to Jan. 1?

 

OK, so maybe you do. But is something else going on, too?

Certain psychological factors, and not just the increased availability of rich foods, may contribute to holiday weight gain:

Stress: In several studies, financial, family, and work stress were associated with increased weight gain over time. Some of that gain may by due to stress-induced overeating, but a rise in the stress hormone cortisol causes weight gain irrespective of calorie intake. So having your annual argument with Uncle Joe about politics and rushing around the mall piling up credit card debt may be just as fattening as pumpkin pie.

 

Plus, fat and sugar hit the pleasure centers of our brains, so fatty, sugary foods are our go-to for relaxation. When the going gets tough, we don't get an urge for spinach, alas.

 

"Last supper" Phenomenon: Animals load up on available calories so that they can survive when times are lean. We humans also overeat in anticipation of a food shortage, even if that "shortage" is a self-imposed diet - the one we're going to start on Jan. 1. In one study, people enrolled in an obesity treatment program gained weight between enrollment and the actual start of the program. It may be that we'd gain less weight over the holidays if we didn't make that New Year's resolution to go on a diet.

 

Sleep: For many people, this is a busy time of year and it's tempting to squeeze more hours out of the day by staying up later. But, as recent research suggests, sleep deprivation can contribute to weight gain, or at least stall weight loss.

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