In the final phase of the experiment, each participant was asked a number of questions, including how capable she felt of exercising control over her food intake.

“People might think the overweight women who read the weight-stigmatizing article would eat less than the others,” Major said, “but they didn’t.

“As we predicted, they actually ate significantly more than the other women in the study. And afterward, they acknowledged feeling significantly less able to control their eating.

Major said many people who are overweight feel helpless to control their weight. “Our study illustrates that articles and ads about the obesity epidemic that imply it’s just a matter of self-control can make overweight people feel even more helpless and out of control of their eating,” she said.

Major’s current study builds on her earlier research demonstrating the negative effects overweight women experience when they are put into situations in which they fear being stigmatized because of their weight.

In that study, each participant was asked to give a talk — which she believed was either audiotaped or videotaped — on the qualities that make her a good date.

Major and her colleagues found that the overweight women who thought they were being videotaped had greater increases in blood pressure and performed more poorly than the others on a subsequent cognitive measure of self-control than did others in the study.

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