Junk food destroys brain cells that control weight

A study has found that eating too much of fatty junk food destroys the brain cells that control weight, leading to a vicious circle of obesity.

Researchers fed rats what they described as a `typical high-fat American diet` and found they had doubled their calorie intake three days later.

It also showed they had an inflammation in the hypothalamus, the part of the brain containing neurons that control body weight, and though the inflammation stopped a few days later, it recurred after four weeks.

Lead researcher Dr Joshua Thaler, of the Diabetes and Obesity Centre of Excellence at the University of Washington in Seattle, said scientists also detected a healing response to brain injury called gliosis.

`Gliosis is thought to be the brain equivalent of wound healing and is typically seen in conditions of neuronal injury, such as stroke and multiple sclerosis,` the Daily Mail quoted him as saying.

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