RadioMD News... I'm John Byrd.Changes to the brain caused by obesity may harm memory function and therefore could result in people eating more and gaining even more weight, say researchers. Obesity also has a negative effect on decision making, problem solving and emotions.A new heart pump has been developed that will allow doctors to monitor patients from afar and make patient-specific tweaks to the device. Currently undergoing clinical trials, the device could be a boon to patients who live far away from their cardiologists.And... the latest plastic surgery trend? Buttock implants, according to the American Society of Plastic Surgeons. More popular than ever among the U.S. public, the procedure has skyrocketed 252% since the year 2000. Buttock implants have seemingly been inspired by celebrities with disproportionately large and perfectly round bottoms. Simply crazy I say, no butts about it.For RadioMD News, this is John Byrd. Hear health talk interviews with top experts at RadioMD dot com.