“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 ...

As we get into another winter holiday season, COVID is still part of our lives. And although it's hard to predict exactly what this year's cold, flu and coronavirus season will look like, experts want ...

"No cancer signal detected." The blood test results popped up in my online health portal without much fanfare. A doctor would chat about them with me later, congratulating me on the "phew"-worthy ...

It was once a rite of passage for millions of American schoolchildren before being phased out under the Obama administration. But now public school students across the U.S. once again face being rated ...

One day, you’re an all-powerful CEO, star wife, and mother, and the next day you're eating out of your young intern’s hand, quite literally. How is this contradiction possible, if it is a ...

Taking a pregnancy test too early can produce a false negative result. And the prospect of a major life change like pregnancy is a time when you want to make sure you're getting the most accurate ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

One of the industry’s leading large language models has passed a Turing test, a longstanding barometer for human-like intelligence. In a new preprint study awaiting peer review, researchers report ...

Add Yahoo as a preferred source to see more of our stories on Google. Nicole Kidman in "Babygirl." One day, you’re an all-powerful CEO, star wife, and mother, and the next day you're eating out of ...

The blood test that detects nicotine is called a cotinine test. It measures recent tobacco use and exposure. Cotinine is a chemical that comes from the breakdown of nicotine in the body. A blood test ...

Doctors can test for gallbladder issues using a combination of physical exams, blood tests, and imaging studies. Several issues can affect the gallbladder, including gallstones, inflammation, or ...