Does A Chocolate Habit Help Keep You Lean?

Reply Sun 1 Apr, 2012 11:03 am
I love the really dark chocolate. Problem is that one small piece is not enough. How can I have my chocolate without eating too much and gain weight? BBB Sad Confused Embarrassed

Does A Chocolate Habit Help Keep You Lean?
March 26, 2012
by Allison Aubrey - NPR All Things Considered

Researchers say some compounds in cocoa may help us fend off fat.

A new study finds that people who eat chocolate several times a week are actually leaner than people who don't eat chocolate regularly.

Really, we asked? Last time we checked chocolate was loaded with fat and sugar. But this new research, along with some prior studies, suggests chocolate may favorably influence metabolism.

To test this theory, Beatrice Golomb, an associate professor of medicine at the University of California, San Diego, asked about 1,000 people, ages 20 to 85, a simple question: "How many times a week do you consume chocolate?" The participants then completed food frequency questionnaires to estimate their caloric intakes of a whole range of foods including chocolate. They also had weight and height measurement taken to calculate their body mass index, or BMI.

"In our study, people who ate chocolate more often actually ate more calories," says Golomb. "But in spite of that they had lower [BMI]."

How much lower? For a 5-foot-tall woman, weighing about 120 pounds, the study found that she was likely to be about 5 pounds lighter if she was a frequent eater of chocolate (five times a week).

And, no, the people with serious chocolate habits did not exercise more than those who weren't in the habit of eating chocolate.

"So exercise was not an explanation for the finding," says Golomb.

This study certainly does not prove that frequent chocolate consumption causes people to be leaner: The researchers found that chocolate's correlation to thinness started to melt away among the participants who consumed the most. They also didn't suss out whether the type of chocolate — white, milk, or dark, which can have varying amounts of cocoa — made a difference.

But what's fascinating here is the notion that our bodies may not treat all calories the same way.

"I think a really important point is that it isn't just the number of calories that matter," says Golomb. But the composition of calories seems to matter, too.

Not all researchers are convinced of this. Broadly speaking, the "calories in, calories out" method of managing weight is effective for most people.

And it's possible that overweight participants in the study under-reported their their chocolate consumption, according to Jane Wardle of the University College London. Indeed, a lot of researchers agree that self-reported food data can be flawed. (Editor's note: This was added Tuesday 12:20 p.m. ET.)

But what research shows is that certain foods contain compounds that have some power to positively influence metabolic factors.

"When people talk about the health benefits of chocolate," says food scientist Joshua Lambert of Penn State University, "they typically talk about compounds called polyphenols."

When he investigated some specific polyphenols found in cocoa, he found that they potently inhibit an enzyme, called pancreatic lipase, that's responsible for digesting dietary fat.

This means that the fat in chocolate may exit our bodies before it has a chance to be absorbed. Or, in other words, these compounds in cocoa may help us fend off fat.

Lambert's studies have been conducted in test tubes and mice, not in people. "So there's a big leap from what we're doing to what the [UC San Diego researchers] are doing."

But it might be one mechanism that explains why frequent chocolate eaters tend to be leaner.

Another possible mechanism is that the compounds in chocolate may increase the energy that cells make. Researchers are studying this as well.

So, for now, if you're a chocolate lover, lose the guilt. Or, be reassured, for now, that the associations between eating chocolate and body weight move in the preferred direction.

And one more thing: This study was not funded by the chocolate industry. Funding came from the National Institute of Health; the National Heart, Lung, and Blood Institute; and the UC San Diego General Clinical Research Center.
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Reply Sun 1 Apr, 2012 11:21 am
I have never thought much as to weather eating a 10 pound slab of chocolate would be bad for my weight and always figured my genetics were helping me stay thin. Now that I know chocolate is beneficial, I can move up to the 20 pound slabs.

Reply Sun 1 Apr, 2012 11:25 am
You mean chocolate eater! How can you be so cruel? I gain fat so easily because of my disabilities.


Reply Sun 1 Apr, 2012 11:35 am
I think there is still a genetic factor. My sister eats a small piece of chocolate and gains a pound, she seems to take after our mother who gained weight by thinking about food (at least that's what she claimed was the reason). My brother has moderate weight issues; but, is physically quite active so it keeps it in check.
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