As the United States enters its fourth month of response to the COVID-19 crisis, many are pointing to the testing of people potentially infected with the disease as the key to effective mitigation of ...

If you have symptoms such as severe increased thirst, frequent urination, unexplained weight loss, increased hunger, and tingling in your hands or feet, your doctor may run a test for diabetes.

Most tests for COVID-19 involve taking a swab sample from the back of the nose, throat, or both. But some tests require a blood sample. These tests aim to find out if a person has, or has ever had, an ...

Tracking fitness data is key for assessing your health, designing the right training program for your goals, and gauging your progress throughout your training routine. When it comes to measuring ...

You can't place orders for at-home COVID testing kits anymore, but there are still resources available for free testing. Peter is a writer and editor for the CNET How-To team. He has been covering ...

HIV testing, also called HIV screening, is the only way to know if you have the virus. Several types of tests check your blood or other body fluids to see whether you're infected. Most can't spot HIV ...