March 7, 2014
Mohenjo
Medical
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Alzheimer’s disease ravages the brain, robbing its victims not only of their memories but often their ability to do things as basic as swallowing.
Now, a study of aging patients suggests its true toll may top half a million lives a year — a figure that would put Alzheimer’s just below heart disease and cancer on the list of America’s top killers.
The incurable, degenerative brain disease was blamed for 83,000-plus U.S. fatalities in 2010, making it the sixth-leading cause of death that year.
But its true toll may be as much as six times that, said Bryan James, an epidemiologist at the Rush Alzheimer’s Disease Center in Chicago.
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A third of the brain’s volume is composed of blood vessels. Maintaining a healthy blood flow to those blood vessels is critical to keeping the brain young. Click the six ways you can keep your mind sharp in article .
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February 5, 2014
Mohenjo
Science
Albert Einstein College of Medicine of Yeshiva University, amazon, Brain Makes Memories Video, Brain Memories in Brain, business, Business News, Hotels, How Memories Are Made, huffingtonpost, human-rights, medicine, memories, mental-health, research, Science, Science News, Slideshow, technology, Technology News, travel, vacation, Video, Video Biology, Video Brain Memories, Video How Brain Makes Memories, Video How Memories Are Made, Video How Memories Made
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Before they become part of our consciousness, memories aren’t much more than molecules. But how exactly do memories get stored in the brain?
With the help of mice and some advanced imaging techniques, scientists from the Albert Einstein College of Medicine of Yeshiva University in New York recently sought to answer that question. This short video illustrates how the brain makes memories on a molecular level.
The team put fluorescent tags on messenger RNA (mRNA) molecules that code for beta-actin, a protein believed to be crucial for the formation of memories. As described in two studies published Jan. 24 in the journal Science, the team then stimulated neurons in the hippocampus — the part of the brain where memories are formed — and monitored a living brain cell.
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James' World 2 