COVID: This Simple Device Can Be a Pandemic Lifesaver 

Early in the pandemic, way back in May of 2020, we recommended that you purchase a pulse oximeter. At the time, most people hadn’t heard of this device. 

It’s a small handheld instrument that clips to the tip of a finger. It measures how much oxygen is in your blood. If you come down with COVID, it can give you a lifesaving warning that your oxygen level is low and you need to get to the hospital. … Read More