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Around half of people who are severely overweight have mild inflammation in their bodies. Research by neuroscientist Judith Scholing of the Donders Institute at Radboud University shows that this inflammation can cause people to opt for convenient food choices, which often means fast food. This makes it harder to lose weight. The work is published in the journal Brain, Behavior, and Immunity.
In the Netherlands, around 15% of people are severely overweight, meaning they have a BMI of 30 or higher. "Obesity can have medical consequences," explains Scholing. "People with a high BMI are at greater risk of, among other things, high blood pressure, cardiovascular disease and certain types of cancer. So there are benefits to these people losing weight, but this research shows that it often isn't simply a matter of willpower and perseverance."
Many of these medical consequences are caused by inflammation in the body. "This inflammation often originates in the fatty tissue around the abdomen or is caused by certain foods rich in fast-acting sugars and saturated fats," explains the neuroscientist.
Scholing studied 150 female participants who were severely overweight, half of whom had inflammation in their bodies and half of whom did not.
While in the MRI scanner, the participants had to decide 125 times whether they were prepared to make a greater or smaller effort to obtain a particular food.
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