Category Archives: Medicine

2009 Nobel Prize in Medicine

Telomere Copy Protection: Nobel Goes To Scientists Who Solved How Chromosome Ends Work ScienceDaily (2009-10-05) — This year’s Nobel Prize in Physiology or Medicine is awarded to three scientists who have solved a major problem in biology: how the chromosomes can be copied in a complete way during cell divisions and how they are protected …

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Alzheimers and Sleep

Alzheimer’s linked to lack of Zzzzs Sleep deprivation leads to more plaques in genetically susceptible mice Science News By Tina Hesman Saey Web edition : Thursday, September 24th, 2009   LESS SLEEP, MORE PLAQUES Losing sleep could lead to losing brain cells, a new study suggests. Levels of a protein that forms the hallmark plaques …

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    Liposuction Fat Turned Into Stem Cells, Study Says John Roach for National Geographic News September 8, 2009   Using leftovers from liposuction patients, scientists have turned human fat into stem cells, a new study says. The new method is much more efficient than a previous practice that used skin cells, researchers say. The …

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ADHD brain chemistry clue found Levels of ADHD have been rising US researchers have pinned down new differences in the brain chemistry of people with attention deficit hyperactivity disorder (ADHD). They found ADHD patients lack key proteins which allow them to experience a sense of reward and motivation. The Brookhaven National Laboratory study appears in …

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How Safe Or Unsafe Are Medical Imaging Procedures? ScienceDaily (2009-08-28) — In a new study of nearly one million adults between the ages of 18 and 64, nearly 70 percent of participants underwent at least one medical imaging procedure between July 2005 and December 2007, resulting in an average effective dose of radiation nearly double …

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Proteins and Aging

Misfolded Proteins: The Fundamental Problem Is Aging ScienceDaily (2009-08-27) — Proteins are essential for all biological activities and the cell’s health. Misfolded and damaged proteins spell trouble and are common to all human neurodegenerative diseases and many other age-associated diseases. But when do proteins start to misbehave? Researchers report that protein damage can be detected …

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