At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what health ...

The consensus among public health experts is that safely emerging from lockdown will require testing millions of Americans every week for the virus that causes COVID-19 and isolating those who test ...

If you don't feel well, you may worry that you have COVID-19. The only way to know for sure is to take a test. At-home tests can tell whether you have the virus right now. More specialized antibody ...

Before a stress test, you’ll need to avoid food, drink, tobacco, and caffeine for a time. You may also have to stop taking some medications. Your doctor will provide information specific to you, but ...

The nuclear stress test can show how blood flows through your heart muscles. This reveals how well the heart pumps blood and areas of your heart muscles that do not get enough blood. Nuclear stress is ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Pregnancy tests carry a serious amount of weight. So, of course, if you're ...

What does a test really measure? Is it how smart you are, how well you memorized the material or how well your teacher taught you the material? Tests are taken all over the country, but for what ...