The brain reacts differently to images of food depending on what method people choose for weight loss, according to MRI images. Researchers used functional magnetic resonance imaging (fMRI) to measure the brain responses of individuals who lost weight after having bariatric surgery and individuals who lost weight by more traditional measures.
The researchers, from Washington University School of Medicine in St. Louis, MO, recruited 20 obese participants who were asked to gain 15 lb in weight over several months. The findings of the study are published in The Journal of Clinical Investigation. The researchers then studied how the gain in weight affected the participants’ metabolism.
The skeletons of obese adolescents are usually more dense than those of normal weight teens, but after gastric bypass surgery, most return to normal density within two years, a new study finds. The results was presented at ENDO 2015, the annual meeting of the Endocrine Society, in San Diego. “In the short term, the participants’ bone density decreased proportionally to the successful weight reduction resulting from surgery.