"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." TAKING A COVID-19 TEST is probably your first instinct when you wake up with a fever or sore throat or ...

Alzheimer’s disease is a devastating condition that affects more than 7 million Americans, according to the Alzheimer’s Association. As the Baby Boomer generation ages, this number is estimated to ...

Diagnostic tests are important in every area of life. If you experience an issue with your car, a diagnostic test provides a quick and accurate assessment of your vehicle so it can be fixed. In ...

Recent trends of attempting to self-diagnose a medical condition based on online searches and without a professional medical expert can be harmful. Advances in technology have changed how and what ...

This story was originally published on Oct. 31, 2015, as part of the "Hidden Errors" project. A growing number of medical tests are considered so foolproof they can be done by anyone — no training ...