Wednesday, May 16, 2012

Obese anorexia brains

  • The brain reward systems of women with anorexia may work differently from those of women who are obese, a new study suggests.
  • (Huffington Post)
  • But there are two extremes in the spectrum of eating disorders namely, obesity and anorexia. So, what causes these two extremes? A new study sheds some light on how the brain reward systems respond to food in anorexic and obese people.
  • (RTT News)
  • Obese people often show dampened activity in the brains reward centres after eating, but it has long been unclear what role dopamine plays in it. And no one has looked into how exactly the brain reacts in the opposite eating disorder, anorexia.
  • (Economist.com)
  • Also leptin interacts with areas of the brain. Adipocytes, also known as lipocytes and fat cells, are the cells that primarily compose adipose tissue, specialized in storing energy as fat. There is not yet a new drug that treats both obesity and anorexia.
  • (Examiner)
  • Obese women who unexpectedly received a sweet-tasting solution appeared to have diminished neural activation of the reward circuits in the brain, while women with anorexia had an increased activation, according to a study in Neuropsychopharmacology.
  • (SmartBrief)
  • Scientists believe that this internal calibration system can sometimes go haywire, notably for sufferers of anorexia, bulimia and body dysmorphic disorder, and possibly for obese people too.
  • (New York Times Blogs)
  • A recent study projects that more than 40 percent of Americans will be obese by the year 2030 When you are under stress, your brain produces more cortisol, it gives you more belly fat.
  • (NPR News)
  • Daily stressors, sudden traumatic events such as divorce or loss of a job, and chemical imbalances in the brain can cause someone to Eating disorders such as anorexia, bulimia and obesity can also contribute to suicidal thoughts.
  • (Times and Democrat)
  • It is used to treat obesity and attention defect hyperactivity disorder Meth acts as a stimulant, allowing the chemical dopamine to increase in the brain. Dopamine helps people feel pleasure, so the increase gives users a blissful feeling.
  • (Jackson County Floridan)

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