Obesity linked to cognitive defects

COGNITIVE therapy aimed at improving planning, reasoning and problem solving should be considered in people who are obese, a controversial Australian review suggests.

Researchers from the University of NSW school of psychiatry reviewed 38 studies on the link between obesity and cognition, finding high BMI is associated with cognitive defects, particularly executive function.

They also found evidence of a “vicious cycle” in which cognitive dysfunction exacerbated weight gain, to exert a negative influence on the brain via biological mechanisms.

Lead author Dr Evelyn Smith said the finding was

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