Most respondents to the poll who felt they were heavier than they should be blamed sloth, rather than poor eating habits, for their predicament.
"In the mindset of most Americans, they're not looking at this as a food problem as much as an exercise problem," Corso said.
According to the poll, 52 percent of overweight people and 75 percent of both the obese and morbidly obese felt they didn't exercise enough.
"We're seeing the couch potato stigma [syndrome]," Corso said. "Three out of five Americans overall are saying they don't exercise as much as they should."
Added Gans: "It is sad that 59 percent of people who responded know they should be getting more exercise but yet aren't. Maybe they set the bar too high and forget that simply walking counts as exercise."
Food appeared to be a lesser culprit than lack of exercise in people's minds, with 36 percent of overweight respondents, 48 percent of obese respondents and 27 percent of those morbidly obese feeling they ate more than they "should in general."
A third of overweight people, 55 percent of obese people and 59 percent of morbidly obese people felt they ate too much of the wrong types of food.
As for weight-loss interventions, the respondents deemed surgery the most effective method, followed by prescription drugs, then drugs and diet-food supplements obtained over-the-counter.
About half felt that procedures such as gastric bypass and stomach stapling were either very or fairly effective in helping people shrink their girth. Faith in these remedies seemed similar, regardless of the respondents' weight.
"Americans like the quick fix and that's what they think the surgery is even though t
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