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Keyword: brownfat

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  • Lower the thermostat, whittle your waistline?

    01/24/2014 7:57:46 AM PST · by smokingfrog · 20 replies
    NBC Montana ^ | 1-22-14 | Jacque Wilson
    You may want to program the thermostat in your office down a couple of degrees today, despite the more-than-chilly temperatures outside. A paper published Wednesday in the scientific journal Trends in Endocrinology & Metabolism suggests doing so could help you lose weight. Regular exposure to mildly cold temperatures help people burn more calories, according to the paper's authors, who have been studying this phenomenon for more than a decade. "Since most of us are exposed to indoor conditions 90 percent of the time, it is worth exploring health aspects of ambient temperatures," lead author Wouter van Marken Lichtenbelt said. "What...
  • Turning White Fat Into Energy-Burning Brown Fat: Hope for New Obesity and Diabetes Treatments

    08/06/2012 1:46:58 AM PDT · by neverdem · 17 replies
    ScienceDaily ^ | Aug. 2, 2012 | NA ,
    Columbia University Medical Center (CUMC) researchers have identified a mechanism that can give energy-storing white fat some of the beneficial characteristics of energy-burning brown fat. The findings, based on studies of mice and of human fat tissue, could lead to new strategies for treating obesity and type 2 diabetes. The study was published August 2 in the online edition of the journal Cell. Humans have two types of fat tissue: white fat, which stores excess energy in the form of triglycerides, and brown fat, which is highly efficient at dissipating stored energy as heat. Newborns have a relative abundance of...
  • Brown Fat, Triggered by Cold or Exercise, May Yield a Key to Weight Control

    01/25/2012 1:38:32 PM PST · by neverdem · 34 replies
    NY Times ^ | January 24, 2012 | GINA KOLATA
    Fat people have less than thin people. Older people have less than younger people. Men have less than younger women. It is brown fat, actually brown in color, and its great appeal is that it burns calories like a furnace... --snip-- The brown fat also kept its subjects warm. The more brown fat a man had, the colder he could get before he started to shiver. Brown fat, Dr. Carpentier and Jan Nedergaard, Dr. Cannon’s husband, wrote in an accompanying editorial, “is on fire.” On average, Dr. Carpentier said, the brown fat burned about 250 calories over three hours. But...
  • Scientists discover switch that turns white fat brown

    09/07/2011 9:37:43 AM PDT · by Red Badger · 17 replies
    http://medicalxpress.com ^ | 09-06-2011 | Provided by Ohio State University Medical Center
    Scientists have discovered a biological switch that gives energy-storing white fat the characteristics of energy-burning brown fat. The findings could lead to new strategies for treating obesity. The animal study by researchers at The Ohio State University Medical Center shows that the change is due to the activation of a nerve and biochemical pathway that begins in the hypothalamus, an area of the brain involved in energy balance, and ends in white fat cells. This pathway, called the hypothalamic-adipocyte axis, also induces brown-fat-like cells within masses of white fat. The white-to-brown fat transformation occurs when animals are placed in an...
  • Scientists turn 'bad fat' into 'good fat' (type 2 diabetes?)

    05/03/2011 12:47:22 PM PDT · by decimon · 16 replies
    BBC ^ | May 3, 2011 | Michelle Roberts
    Scientists say they have found a way to turn body fat into a better type of fat that burns off calories and weight. The US Johns Hopkins team made the breakthrough in rats but believe the same could be done in humans, offering the hope of a new way to treat obesity. Modifying the expression of a protein linked to appetite not only reduced the animals' calorie intake and weight, but also transformed their fat composition. "Bad" white fat became "good" brown fat, Cell Metabolism journal reports. Brown fat is abundant in babies, which they use as a power source...
  • Calorie-Burning Fat? Studies Say You Have It

    04/09/2009 7:11:21 PM PDT · by neverdem · 12 replies · 943+ views
    NY Times ^ | April 9, 2009 | GINA KOLATA
    For more than 30 years, scientists have been intrigued by brown fat, a cell that acts like a furnace, consuming calories and generating heat. Rodents, unable to shiver effectively to keep warm, use brown fat instead. So do human infants, who do not shiver very well. But it was generally believed that humans lose brown fat after infancy, no longer needing it once the shivering response kicks in. That belief, three groups of researchers report, is wrong. Their papers, appearing Thursday in The New England Journal of Medicine, indicate that nearly every adult has little blobs of brown fat that...