Add Yahoo as a preferred source to see more of our stories on Google. Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) (Getty Images) If ...

You can consume nothing but water for at least 8 hours before a fasting glucose test. You may also need to follow a low carb diet and avoid exercise for some time before. A fasting glucose test ...

Testing a person’s blood for a type of protein called phosphorylated tau, or p-tau, could be used to screen for Alzheimer’s disease with “high accuracy,” even before symptoms begin to show, a new ...

A stress test can help doctors diagnose certain heart conditions, but it’s a good idea to consider ages when deciding who might undergo this exercise-based screening. Share on Pinterest FG Trade/Getty ...

Syphilis testing typically requires obtaining a blood sample and sending it to a lab. The wait for results ranges from hours to days. The FDA has authorized a new at-home syphilis test, a ...

In patients showing cognitive decline, a new blood test for Alzheimer's is expected to make diagnosis more convenient, accessible and inexpensive than other existing tests. When you purchase through ...

The US Food and Drug Administration has approved a blood test to be used for colorectal cancer screening among average-risk adults 45 and older. The maker of the test, Palo Alto, California-based ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

With more than 20% of organizations deploying updates multiple times per day, according to my company's study, the complexity of test authoring has grown significantly. Test authoring is the process ...