Blood pregnancy tests can tell you if you're pregnant 6 to 14 days after conception. You'll need to wait longer before taking ...

A false negative on a pregnancy test means the test says you're not pregnant when you actually are. Here's how it could ...

Folks arrested in the US famously receive one free phone call from detention. Most people use it to reach a relative or a lawyer; not many would call their doctor. So it surprised Aaron Schwartz, a ...

An alcohol urine test involves a lab testing a person’s urine sample for the presence of alcohol. Three types of this test exist. One measures unmetabolized alcohol, while the others measure two of ...

At-home drug tests are urine or saliva tests that can identify if illegal or prescriptions drugs are present in your body. These tests are an alternative to going in person to a laboratory or other ...