Should you buy a pulse oximeter?

Pulse oximeters were rarely recommended for at-home use, but coronavirus changed that. Is a pulse oximeter worth buying? Here's who needs one and how to save.
When the COVID-19 pandemic hit earlier this year, many people were left scrambling to refresh their first aid kits, ensuring they had everything they needed—just in case. As items like thermometers and Kleenex sold out nationwide, another little-known medical gadget began gaining attention: the pulse oximeter.  Patients with histories of respiratory illness, such as pneumonia […]

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