Rick Broida is the author of numerous books and thousands of reviews, features and blog posts. He writes CNET's popular Cheapskate blog and co-hosts Protocol 1: A Travelers Podcast (about the TV show ...

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Before the coronavirus pandemic, most Americans had heard about pulse oximeters only via TV shows where EMTs shout out a patient’s “pulse ox” — or measure of oxygen in the blood. But when multiple ...

STATEN ISLAND, N.Y. -- With tens of thousands of New York City residents testing positive for the coronavirus (COVID-19), a device you can find at your local drug store could help those with confirmed ...