With home testing options increasing more than ever, you now also have the ability to test for kidney function within the comfort of your own home. Learn more about our four best picks for at-home ...

A fasting blood test requires you to avoid eating or drinking anything for some time before your test. The amount of time to fast varies for different tests. It’s generally in the range of 8 to 12 ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

At-home hormone tests offer a fast, affordable, and discreet way to help identify a hormonal imbalance. This review highlights top tests for female and male hormones, thyroid, fertility, and cortisol.

Longevity isn't just about how long you live — it's also about staying healthy for as much of that time as possible. The "sit to stand" test can be a good way to figure out how healthy you are, and it ...

What Is a Food Allergy Test? A food allergy test is a skin or blood test that helps you and your doctor figure out if you’re allergic to specific foods and which ones. Or if you think certain foods ...

The best free internet speed test apps are Meteor for app-performance insights, Speedtest by Ookla for all-around testing, FAST for quick ad-free checks, Speedcheck for test history, and Speed Test ...

Antibodies are a part of your immune system. They fight germs, but sometimes they make a mistake and target your body's healthy cells instead. The Coombs test checks your blood for antibodies that ...

Testing your internet connection’s performance is even more important with millions of extra workers working from home. You don’t need any extra software—a web ...

If you’re experiencing a sluggish internet connection, it’s probably time to check the speed. We’ll show you several ways to measure the speed of your internet connection using on-board tools in ...