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 ...

Millions of Americans have allergies. You might sniffle and sneeze as the seasons change or get itchy and teary-eyed when you dust the house or pet an animal. Perhaps you start wheezing when you eat a ...

Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...

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 ...

What Is a Cortisol Test? A cortisol test measures the level of cortisol in your blood, urine or saliva. Cortisol is a hormone that's important throughout the body for maintaining blood pressure, blood ...

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 ...

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 ...

Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...