 Bite Size Medical News Saturday March 13, 2010 Read the latest medical news now |
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How Fructose Impairs the MemoryJuly 3, 2009, 10:00 am by Scientific American: Mind and BrainAmericans consume more fructose than ever before, yet concerns remain that the sugar, used to sweeten beverages and processed foods, poses health risks. In animals, fructose-rich diets increase the production of fat and promote resistance to the energy-regulating hormone insulin. New research suggests that memory suffers as well, at least in rats.Neuroscientist Marise B. Parent of Georgia State University and her colleagues fed 11 adolescent rats a diet in which fructose supplied 60 percent of the calories. For 10 other rats, cornstarch took the place of the sweetener. The scientists trained the rats to find a submerged platform in a pool, with the help of surrounding cues. [More]
More from Scientific American: Mind and Brain Gene Target Beats Oil Remedy Scientific American: Mind and Brain: March 12, 2010, 9:00 am The 1992 tearjerker Lorenzo’s Oil told the true story of one family’s struggle to save their son from X-linked adrenoleukodystrophy (ALD), a deadly degenerative brain disease. Unfortunately, over the ensuing years, the MIND Reviews: The Other Brain Scientific American: Mind and Brain: March 12, 2010, 9:00 am The Other Brain: From Dementia to Schizophrenia, How New Discoveries about the Brain Are Revolutionizing Medicine and Science by R. Douglas Fields. [More] Readers Respond on "A Path to Sustainable Energy by 2030" Scientific American: Mind and Brain: March 12, 2010, 8:00 am Winds of Change I found it surprising that in “ A Path to Sustainable Energy by 2030 ,” Mark Z. Jacobson and Mark A. Delucchi do not mention the effects Mine Injuries Rise Right After Daylight Saving Time Scientific American: Mind and Brain: March 12, 2010, 1:30 am Don’t forget to move your clocks forward this weekend. And then don’t forget to be more careful in the days after you adjust your clocks. Because a recent study found that the Consciousness-Raising: Kick-Starting the Brain's Dopamine System May Revive Some Vegetative Patients Scientific American: Mind and Brain: March 12, 2010, 1:23 am A drug targeting dopamine receptors might be able to "kick-start" an injured brain, enabling certain kinds of vegetative and minimally conscious patients to recover faster. [More]
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