Selenium supports thyroid hormone production and immune system processes. Some studies link low selenium levels with higher thyroid disease risk, including thyroid eye disease. Studies using 100 ...

Computer workstation with Respondus LockDown Browser. Webcam built into the monitor for tests that require it. Door that can be closed for privacy while testing. These spaces are also home to our ...

If you’re sexually active, regular testing for sexually transmitted diseases (STDs) and infections (STIs) is crucial to protect your health and the health of your partners. While you can get tested at ...

Optical illusions that challenge you to find the hidden objects and numbers are brain games that can reveal if you possess excellent visual perception, concentration, and mental speed at noticing ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

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 ...

After a behind-closed-doors shakedown in Barcelona, Formula 1's 2026 season build-up has moved into full view with teams heading to Bahrain for official preseason testing. With all 11 new cars on ...