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Una enorme llamarada de la estrella más cercana al Sol rompe récords
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Students hope vaccine mandate will bring life back to college
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We May Finally Understand How The Tangled Proteins in Dementia Cause Cells to Die
CLARE WATSON
23 APRIL 2021
Alzheimer s is a deadly, devastating disease, as frightening for people faced with the condition as it is challenging for scientists studying it. Now, scientists have made a small but promising discovery about a well-known culprit behind Alzheimer s disease, a protein called tau.
The new research suggests that sticky tau tangles gobble up small molecules of nucleic acid and other proteins that brain cells simply cannot live without.
This could help explain certain cellular defects seen in the brain tissue of individuals who have died from the disease; it also points to a common disease pathway linking several neurodegenerative diseases, including less common forms of dementia.
20-year cannabis study shows few cognitive impacts on twins
IZZY TEITELBAUM, The Minnesota Daily
April 23, 2021
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MINNEAPOLIS (AP) By following sets of twins from age 11 to adulthood, University of Minnesota researchers have found that cannabis use has few impacts on long-term cognitive abilities.
Out of 2,410 sets of identical twins from Minnesota, only 364 had differing cannabis use between siblings, making them eligible for the study. Following twins has allowed the researchers to observe differences in cannabis usage with fewer variables at play.
“The sample of twins is representative of the population of the whole state of Minnesota,” said Dr. Steve Malone, the study co-author and Institute for Child Development (ICD) researcher. “But I think it’s a really important feature of the design, that these samples are representative of the population of us as a whole.”
Ordinary Species Could Have Extraordinary Implications
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