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Fatty food may damage cognitive function


Nepalnews
2022 Jul 08, 15:14, Australia
Close up of overweight obese man's hand holding his big belly isolated over gray background

Eating fatty meals may not only increase the waistline but also damage cognitive function, according to an international study led by UniSA neuroscientists Professor Xin-Fu Zhou and Associate Professor Larisa Bobrovskaya.

The findings of the research were published in the journal 'Metabolic Brain Disease'.

The researchers established a clear link between mice fed a high-fat diet for 30 weeks, resulting in diabetes, and a subsequent deterioration in their cognitive abilities, including developing anxiety, depression, and worsening Alzheimer's disease.

Mice with impaired cognitive function were also more likely to gain excessive weight due to poor metabolism caused by brain changes.

Researchers from Australia and China have published their findings in Metabolic Brain Disease.

UniSA neuroscientist and biochemist Associate Professor Larisa Bobrovskaya says the research adds to the growing body of evidence linking chronic obesity and diabetes with Alzheimer's disease, predicted to reach 100 million cases by 2050.
"Obesity and diabetes impair the central nervous system, exacerbating psychiatric disorders and cognitive decline. We demonstrated this in our study with mice," Bobrovskaya said.
In the study, mice were randomly allocated to a standard diet or a high-fat diet for 30 weeks, starting at eight weeks of age.

Food intake, body weight, and glucose levels were monitored at different intervals, along with glucose and insulin tolerance tests and cognitive dysfunction.

The mice on the high-fat diet gained a lot of weight, developed insulin resistance, and started behaving abnormally compared to those fed a standard diet.

Genetically modified Alzheimer's disease mice showed a significant deterioration of cognition and pathological changes in the brain while fed the high-fat diet.

"Obese individuals have about a 55 percent increased risk of developing depression, and diabetes will double that risk," Bobrovskaya said.

"Our findings underline the importance of addressing the global obesity epidemic. A combination of obesity, age, and diabetes are very likely to lead to a decline in cognitive abilities, Alzheimer's disease, and other mental health disorders."

READ ALSO:

waistline fatty meals Alzheimer Obesity glucose levels depression Mental Health Disorders
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