Healthy Living

Sunday, November 29, 2009

3 nutrition myths busted

Some people just love to gossip about the health benefits of certain foods (like eating oysters for better sex), but it’s not so great when they end up spreading food myths instead of truths. It’s not that they’re intentionally lying. It’s just that they don’t have the whole story. There are a few myths (or you might call them half-truths) that I hear again and again. Here they are, “busted” with the cold, hard facts.

Eating oysters helps get you “in the mood.” That oysters or other foods can spark your libido is more fable than fact, according to the U.S. Food and Drug Administration, which reviewed the science on the subject. So why, then, do some people report heightened arousal after eating “aphrodisiacs,” such as oysters, chocolate or chile peppers? Some experts say that feeling friskier after eating oysters is a little like feeling better after taking a pill that’s really a placebo: it’s all in the mind. But then again, “getting in the mood” is often a state of mind, too, so if you find a food that works for you, go for it. (In the mood for something sweet? Dark chocolate may not boost libido after all, but eating it sure makes us—and our hearts—happy. So indulge!)

Turkey makes you sleepy. Go ahead and have that Turkey & Tomato Panini for lunch. Turkey alone will not make you feel tired. It’s true that L-tryptophan, an essential amino acid found in turkey and many other protein-based foods, can have a soporific effect on some people. But its effects are blunted by other amino acids in turkey, which compete for the same binding sites in the brain. Lots of other foods, including ground beef and chicken, contain L-tryptophan, too, and don't have this reputation. But turkey is often associated with big meals such as Thanksgiving—which make you sleepy because a full stomach means that blood is directed away from other bodily functions and systems, including your nervous system.

Food allergies can make you fat. Food allergies may cause symptoms like hives, gastrointestinal or respiratory distress. (In severe cases, they progress to anaphylaxis, a potentially fatal condition.) But there is no evidence at all to suggest that food allergies contribute to weight gain, says Brian Smart, M.D., an allergist with DuPage Medical Group in Glen Ellyn, Illinois. “Food allergy is related to IgE antibodies and these have no influence at all on hormones that affect weight, such as thyroid hormone, growth hormone or insulin, or on any other regulatory process that can affect overall metabolism.”

So, the moral of this story: “food gossip” is fun but it’s not always true…


By Nicci Micco

Nicci Micco is deputy editor of features and nutrition at EatingWell. She has a master's degree in nutrition and food sciences, with a focus in weight management. She's addicted to ice cream and pizza. But she also can’t imagine going a week without eating sweet potatoes, salad greens or kidney beans. Kale and beets also rank at the top of her favorite-foods list.



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Comments 1-10 of 44
  • purple's Avatar
    Posted by purple Wed May 27, 2009 8:41pm PDT

    hmm. nice article..i agree so

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  • purple's Avatar
    Posted by purple Wed May 27, 2009 8:42pm PDT

    hmm...i agree so. nice article

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  • Marielynn's Avatar
    Posted by Marielynn Thu May 28, 2009 1:34am PDT

    hmmnnn!its so interesting learning more about healthy foods for the woman of my ages,,more power!

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  • MrsKlingonPasadena's Avatar
    Posted by MrsKlingonPasadena Thu May 28, 2009 8:13am PDT

    Well, I think food in itself is an aphrodisiac to some people. Sexual arousal can involve taste.

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  • lizzie's Avatar
    Posted by lizzie Thu May 28, 2009 1:47pm PDT

    my brother has food allergies to almost everything & he is super skinny. so I do not even know where that myth came from. If you have food allergies, you can't eat certain foods. . . not eating usually leads to extreme thinness.

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  • Wilson's Avatar
    Posted by Wilson Mon Jun 1, 2009 5:35am PDT

    i real enjoy but my self im fat i want to be slim tell me what type of food is sweetable for me

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  • HawkeyeGirl's Avatar
    Posted by HawkeyeGirl Mon Jun 1, 2009 11:45am PDT

    I've never heard that food allergies make you fat. Overeating is the only thing that makes you fat!!

    I never understood why something that looks like someone hocked a loogie into a seashell was supposed to turn you on. Feed each other strawberries or something, but stay away from the nasty oysters!

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  • william's Avatar
    Posted by william Mon Jun 1, 2009 10:46pm PDT

    treat people the way you want to be treated

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  • Jackie D's Avatar
    Posted by Jackie D Tue Jun 2, 2009 9:12am PDT

    I bet the old wives' tale that oysters are an aphrodisiac arose because the raw oyster so closely resembles a certain part of the female anatomy. ;)

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  • Jim O's Avatar
    Posted by Jim O Sun Jun 7, 2009 9:40am PDT

    i used to use these as my excuse. i.e honey i just ate a turkey sandwich so ill just go to sleep now

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