Do Runners Need to Wear Masks?

Some people have taken to yelling (online and off) at people exercising without masks. But does it really matter?Runners on the Hudson River Greenway in New York.Credit…Stephen Speranza for The New York TimesMay 30, 2020Updated 4:43 p.m. ETJane Rosen began yelling sometime in April. By May, it had become routine. The incidents usually occur near…

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How sugar can temporarily sabotage your immune system

Sugar can temporarily weaken your immune system — here’s how that happens. Getty Images Doing everything you can to keep your immune system strong can feel like a lot of work. Committing to an exercise routine, good sleep habits, taking supplements, stress management and good nutrition is no small feat, but well worth your time…

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