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...better sense of the areas of the brain those hormones affect most, owing to the fact that he used a long-running PET scan rather than a shorter session with a functional magnetic resonance imager (fMRI), which is how such studies are usually conducted. This afforded him a good look at the amygdala, the deepest and most primitive of the brain structures involved. When the amygdala acts up, it's exceedingly hard to bring it to heel, as anyone suffering from anxiety conditions like phobias or obsessive-compulsive disorder could attest. That the men in Wang's study had some...
...organisms may play at least some role in why people lose the weight they do," says Dr. John DiBaise, a gastroenterologist at the Mayo Clinic and one of the study's authors. "Ultimately, we may not only be able to manipulate the microbes of obese individuals to look like those of normal-weight people, but we might also potentially be able to predict a person's susceptibility to obesity...
...same as those promoted in the popular probiotic yogurts. Second, there is no evidence that probiotic products can do anything about weight loss; the latest scientific studies have shown only that probiotics can relieve antibiotic-related diarrhea, as well as alleviate IBS and aide regularity. "It is interesting to look at microbial flora," says Lynne McFarland, an epidemiologist at the Puget Sound Veterans Administration Medical Center, who was not affiliated with the study. "But I would not run out and eat a lot of yogurt because of this...
...best questions for the Obama Administration to ask are not how many troops, how quickly or for how long but rather what Afghanistan should look like when the U.S. leaves and how much time and money Washington is willing to spend...
...capture of Osama bin Laden. Even elections mean little when most Afghans assume that they are fixed by foreign nations from the outset. No, success will come as incrementally as the number of teenagers who graduate from school and find a job. It will come when Afghans look to their police for help, and when they can get justice from the courts without a bribe. This is the kind of strategic vision Obama's team needs. This is the change Afghans can believe...