Can you actually beat a lie detector test? I put that idea to the test in a real scenario. The results didn’t go the way you’d expect. And it raises bigger questions about how these tests work.

The Department of Homeland Security has begun administering polygraph tests to employees in an effort to identify those leaking information about immigration operations to the media, according to four ...

Ramsey talks come to impasse. By Marilyn Robinson Denver Post Staff Writer. April 26 -The truth is that there will be no lie detector tests for John and Patsy Ramsey. And neither ...

Abnormal stress test results may suggest an underlying heart condition, such as coronary artery disease, or a blockage in the arteries supplying blood to the heart. Failing a stress test means you can ...