People with a higher BMI or Body Mass Index may exhibit reduced cognitive functions once they grow older. This association could be explained by an increased secretion of inflammatory markers by belly fat which has been previously associated with a higher risk of impaired cognition. While we have known for some time that obesity is associated with negative health consequences our study adds to emerging evidence suggesting that obesity and where we deposit our excess weight could influence our brain health. This has significant public health implications said Conal Cunningham from Trinity College Dublin in Ireland. This study was published in