New kits let people bypass the doctor and order a range of diagnostic tests. Is this a good idea?

Most of what we believe about psychology feels right, even when it’s wrong. This test measures how well you distinguish psychological facts from fiction.

Most of us try to be good at everything. This test reveals the one thing you should actually be doubling down on.

Much attention has been given recently to the idea of detecting many different types of cancer from a single blood test, and a new test claiming to do that has just been reported. The leader in this ...

Cologuard is a colon cancer screening test you can do at home. It’s a noninvasive, stool-based test that comes in a kit. You use the kit to collect a stool sample. Then you send the sample to a lab ...

When I signed up to try a bunch of health and aging tests for The Post, I knew there would be blood. I just didn’t realize how much blood I’d have to surrender. I’ve undergone several fertility ...

Is your internet slower than usual? Some signs of slow internet include buffering, lag and dropped video calls. If you're experiencing this issue, it's a good idea to test your internet speed on your ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...