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Exercise and your brain: Why working out may help memory

A new study shows that sugar may not be so sweet for the brain – and may lead to memory problems. Researchers from four universities report in the Annals of Neurology that people who absorb glucose more slowly than those who metabolize it quickly are more forgetful and are more likely to have a faulty dentate gyrus, a pocket in the hippocampus section of the brain.

December 30, 2008 — Jordan Lite

Is REM sleep disorder an early sign of Alzheimer's or Parkinson's?

A bizarre disorder that causes people to physically act out their dreams while sleeping is associated with a dramatically increased risk of developing dementia, and Alzheimer's and Parkinson's diseases, according to new research that suggests the sleep disorder may actually be an early symptom of those conditions.

December 24, 2008 — Jordan Lite

Online v. print reading: which one makes us smarter?

It's no mystery that publications have been taking a beating as more and more people read their news on the Net. But there's a catch. The online info may be instant and abundant -- and in many cases free -- but it may come at a cost, says a new study published in the Journal of Research in Reading .

December 23, 2008 — Coco Ballantyne

Your shopping personality explained

Do opulent Christmas displays in stores and frenzied ads make you feel overwhelmed, depressed, or psyched? The emotions you feel might be a clue to your “shopping personality” – a pattern of behavior that corresponds with how you act in the rest of your life.

December 18, 2008 — Jordan Lite

The Skinny on Fat: Is Obesity in Our Genes?

Researchers have identified six genes that may play a role in our appetite and, as a result, in whether we're plump or thin. They report in Nature Genetics that the genes appear to affect brain activity that controls how much we eat, indicating that obesity, at least in part, may stem from behavior passed on from one generation to the next.

December 15, 2008 — Coco Ballantyne

Can brain scans read our minds?

Researchers at ATR Computational Neuroscience Laboratories in Kyoto, Japan,  say they've developed new analysis technology that can reconstruct the images inside a person's brain and display them on a computer screen, according to Pink Tentacle , an English-language blog that covers news from Japan.

December 12, 2008 — Larry Greenemeier

Four Europeans selected for epic Mars isolation study

A future manned trip to Mars would subject astronauts to any number of unpredictable hazards—an unprecedentedly complex launch and journey, bombardment by cosmic radiation, and, if sci-fi movies are to be believed, harassment from potentially unfriendly locals.

December 11, 2008 — John Matson

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