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    Craving Carbs: Is It Depression?

    Many people crave carbohydrates when they feel low.
    By
    WebMD Feature
    Reviewed by Laura J. Martin, MD

    Does a bad day at the office or a tiff with your spouse send you marching to the cookie jar or the corner bakery?

    Or do you find yourself at the vending machine every day precisely at 4 p.m. for some crackers or candy?

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    If either scenario fits, you're not alone. Many people crave carbohydrates -- especially cookies, candy, or ice cream -- when they feel upset, depressed, or tired.

    "Carb craving is part of daily life," says Judith Wurtman, PhD, a former scientist at the Massachusetts Institute of Technology and co-author of The Serotonin Power Diet. She and her husband, MIT professor Richard J. Wurtman, have long researched carbohydrates and their link to mood and depression.

    The Wurtmans published a landmark article about carbs and depression in Scientific American in 1989. They are convinced that the carbohydrate craving is related to decreases in the feel-good hormone serotonin, which is marked by a decline in mood and concentration.

    Other experts aren’t so sure. Some wonder if depressed mood and reaching for carbs are both related to an external event -- such as the stock market decline -- or to simply habit.

    Carbohydrate Cravings: What's Known? What's Debated?

    Carb cravings seem to be related to decreases in serotonin activity, says Wurtman.

    "We discovered years and years ago that many people experience the 'universal carbohydrate craving time' between 3:30 p.m. and 5 p.m. every day," she says. "I suspect the tradition of English tea with its carb offering is a ritual developed to fill this need."

    "It's a real neurochemical phenomenon," she says.

    The Wurtmans’ work, however, has its skeptics.

    Edward Abramson, PhD, a psychologist and professor emeritus at California State University, Chico, wrote the book Emotional Eating. He does not think the link is strong and clear-cut.

    "You could be down because of loss of money in the stock market," he says. "The depression is triggered by an external event, not by [only] a dip in serotonin. It may be the external event causing the dip in serotonin, not the dip occurring, then the craving, he says.

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