A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.

Here is a detailed guide on how to use an inhaler and instructions for getting the most out of your medication.

One of many precautions people can take to minimize fire damages is knowing when and how to use each fire extinguisher in an ...

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.