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Worry, Jealousy, Moodiness Linked to Higher Risk of Alzheimer’s in Women

Women who are anxious, jealous, or moody and distressed in middle age may be at a higher risk of developing Alzheimer’s disease later in life, according to a nearly 40-year-long study published in the October 1, 2014, online issue of Neurology®, the medical journal of the American Academy of Neurology.

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Drug Treats Inherited Form Of Intellectual Disability In Mice

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Studying mice with a genetic change similar to what is found in Kabuki syndrome, a inherited disease of humans, Johns Hopkins researchers report they have used an anticancer drug to “open up” DNA and improve mental function.

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Grafted Stem Cells Display Vigorous Growth in Spinal Cord Injury Model

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Researchers used human iPSC stem cells to grow brand new nerves in a rat model of spinal cord injury. The neurons grew tens of thousands of axons that extended the entire length of the spinal cord. The iPSCs were made using the skin cells of an 86 year old male, demonstrating that even in an individual of advanced age, the ability of the cells to be turned into a different cell type (pluripotency) remained.

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Why Wet Feels Wet: Understanding the Illusion of Wetness

Though it seems simple, feeling that something is wet is quite a feat because our skin does not have receptors that sense wetness. UK researchers propose that wetness perception is intertwined with our ability to sense cold temperature and tactile sensations such as pressure and texture.

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Lift Weights, Improve Your Memory

Here’s another reason why it’s a good idea to hit the gym: it can improve memory. A new Georgia Institute of Technology study shows that an intense workout of as little as 20 minutes can enhance episodic memory, also known as long-term memory for previous events, by about 10 percent in healthy young adults.

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At Dusk & Dawn: Scientists Pinpoint Biological Clock’s Synchronicity

Scientists have uncovered how pacemaker neurons are synchronized at dusk and dawn in order to maintain the proper functioning of their biological clocks. Their findings enhance our understanding of how sleep-wake cycles are regulated and offer promise for addressing related afflictions.

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Memory Loss Associated with Alzheimer’s Reversed for First Time

In the first, small study of a novel, personalized and comprehensive program to reverse memory loss, nine of 10 participants, including the ones above, displayed subjective or objective improvement in their memories beginning within 3-to-6 months after the program’s start.

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Phase III Clinical Trial to Evaluate Calcium Channel Blocker for Parkinson’s

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Researchers at the University of California, San Diego School of Medicine have launched a Phase III clinical trial to evaluate the drug isradipine, a calcium channel blocker often used to treat high blood pressure, as a potential new treatment for Parkinson disease.

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AAN: Risks of Opioids Outweigh Benefits for Headache, Low Back Pain, Other Conditions

According to a new position statement from the American Academy of Neurology (AAN), the risk of death, overdose, addiction or serious side effects with prescription opioids outweigh the benefits in chronic, non-cancer conditions such as headache, fibromyalgia and chronic low back pain. The position paper is published in the September 30, 2014, print issue of Neurology®, the medical journal of the American Academy of Neurology.

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A “Frenemy” in Parkinson’s Disease Takes to Crowdsourcing

Researchers have found that a key neuronal protein called alpha-synuclein normally gathers in synapses, where aggregates of it help regulate neurotransmissions. In overabundance, though, a-synuclein can choke off communication altogether, leading to neuronal death and related diseases.

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