Thursday, October 21, 2021

The CDC says it's identified a new Delta-related coronavirus variant in the US, and officials are monitoring it closely



from Yahoo News - Latest News & Headlines https://ift.tt/3B2MwJc

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Old muscle stem cells can act young again but there’s a catch

Scientists at UCLA discovered a surprising reason aging muscles heal more slowly. In older muscle stem cells, a protein called NDRG1 builds ...