In the past few days you may have come across head­lines claim­ing that weight loss can improve mem­o­ry. If so, you may be won­der­ing what to make of this. Let’s take a brief look at the study at the ori­gin of these arti­cles. Par­tic­i­pants were 109 bariatric surgery patients and 41 obese peo­ple (con­trols) who had…