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Scientists discover why biscuits cause weight gain

Eating biscuits, cakes, burgers and sausage rolls makes us fat by delaying digestion, according to new research.
Junk food rewires the brain by reducing our ability to regulate appetite, scientists have said.
The discovery could open the door to an anti-obesity pill that targets neurons.
Experiments in rats found the cells called astrocytes control a chemical pathway to the gut. But the study suggests that continuously gorging on fatty and sugary products disrupts it.
Lead author Dr Kirsteen Browning, of Penn State University in the US, said: “Calorie intake seems to be regulated in the short-term by astrocytes.
“We found a brief exposure of high fat/calorie diet has the greatest effect on astrocytes – triggering the normal signalling pathway to control the stomach.
“Over time astrocytes seem to desensitise to the high fat food.
“After around 10-14 days of eating high fat/calorie diet, astrocytes seem to fail to react and the brain’s ability to regulate calorie intake seems to be lost.
“This disrupts the signalling to the stomach and delays how it empties.”
Understanding the brain’s role and the complex mechanisms that lead to gluttony may lead to therapies to treat weight gain.

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