A new test that boasts nearly 100% accuracy has recently been approved, but debate still surrounds how useful such tests might be for both populations and individuals. Dale Smith is a former Associate ...

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

‌Your thyroid is a small butterfly-shaped organ in the front of your neck. It has a lot of important roles, including making hormones that control your metabolism and help your body grow and develop.

As some countries begin to reopen in the midst of the ongoing coronavirus pandemic, experts are racing to ramp up the development and use of blood tests that pinpoint people who have been exposed to ...

Since late last year, federal officials have been asking, practically begging people to get booster doses of the COVID-19 vaccine. But more than half of Americans have ignored the request even for a ...

I still don’t know what I need to about the coronavirus. By Kara Swisher Ms. Swisher covers technology and is a contributing opinion writer. After a lot of years, you tend to know a guy. And as it ...

Salvador Perez got really sick in April. He's 53 and spent weeks isolated in his room in his family's Chicago apartment, suffering through burning fevers, shivering chills, intense chest pain and ...

An antineutrophil cytoplasmic antibodies (ANCA) test is a blood test that checks for proteins your immune system makes to fight germs. This test can help your doctor diagnose autoimmune diseases like ...

The hepatitis A virus (HAV) antibody (AB) total test identifies both types of antibodies that the body produces in response to HAV infection. A reactive result means the test has detected HAV ...

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...