Thursday, February 27, 2020

Russian state TV: Turkish army is firing on Russian planes in Syria's Idlib



from Yahoo News - Latest News & Headlines https://ift.tt/39bBVik
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Alzheimer’s may leave a mark on the brain long before plaques appear

Brain changes associated with Alzheimer’s may begin at least seven years before amyloid plaques become detectable with current PET scans. Re...