Smartwatches and wearable heart monitors can help detect issues such as irregular heart rhythms. But they also have limits ...

Once upon a time, surgery was done on patents who were fully conscious and awake. As you might imagine, this was a nasty experience for all involved, and particularly the patients. Eventually, ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...