A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it ...
The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.
That small whoosh from an inhaler has a substantial environmental toll that could be putting some people with chronic conditions at risk, according to a new study.
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