As the calendar has turned to February, the arrival of the 2026 NTT INDYCAR SERIES season is getting real as teams prepare for two major preseason tests in the next two weeks. Ten teams are heading to ...

“Bad,” or LDL, cholesterol is a major risk factor for heart disease and most people are screened for it as part of their yearly physicals. There’s another marker in the blood that may be a better ...

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 ...

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 ...

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 ...

Formula 1's preparations for its new era in 2026 come to a conclusion with one last test in Bahrain as the new racing campaign draws ever nearer. After the private week of running in Barcelona in ...

Santa Clara University is extending its “test-optional” policy for first-year and transfer students until 2026. Scores on the SAT or ACT (including the enhanced version) are not required for students ...

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 ...

The start of the new Formula 1 season gets ever closer with the teams heading to Bahrain for two preseason testing events starting on Wednesday. The cars have already had a run out in Barcelona behind ...

Since the emergence of COVID-19 in late 2019, the gold standard in testing for the disease has been a nuclear-derived technique: real-time reverse transcription–polymerase chain reaction, or real-time ...

Jay N. Yepuri, MD, MS, FACG, is a board-certified gastroenterologist and member of the Digestive Health Associates of Texas Board of Directors and Executive Committee. A liver function test checks how ...

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...