A new study offers one of the first investigations into how effective school closures are in slowing the spread of infectious disease outbreaks. The study also asks when, and how, schools can reopen considering this pandemic may last a year or two.

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Although it doesn't happen often, it is possible for electromagnetic fields (EMFs) to affect the performance of cardiac implants such as pacemakers. Fortunately, though, a new study indicates that EMFs produced by electric cars pose no such danger.

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Reversing prior advice, the CDC now recommends everyone wear cloth face masks in public settings such as pharmacies and grocery stores. The CDC says this advice is designed to reduce COVID-19 transmission from those who are unaware they have it.

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When someone is recovering from surgery, they're typically encouraged to go for walks down the hospital hallways. Scientists have now found that by repurposing an existing device, it's possible to ascertain how much patients are heeding that advice.

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New research is suggesting high levels of a certain blood-based biomarker may serve as an early warning sign of Alzheimer’s disease, two years before symptoms develop. The preliminary study has yet to be verified in larger cohorts of patients.

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