The effects of overweight and obesity on cognitive functions and psychological well-being

Recent findings showed that obesity represent a risk factor to developingbrain illness such as cognitive impairments and psychopathological disorders. Weight increase additively afflicts brain structure of cognitively impaired patients but is linked with poor brain volumes even in healthysubjects. Further, several studies show that subjects with psychiatric disorders are more likely than general population to be obese. Hovewer, the process by which weight gain injures cognitive abilities and psychological well-being remain unclear.In this review we analyze the relationships between obesity andbrain illness and underline the role played by covariates to determine this link