Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) If you could take a simple blood test that could detect multiple types of cancer while ...

When her husband was undergoing cancer treatment, Cindy Perez of Southwest Ranches, Fla., learned about a new blood test that could help find early cancers. The 50-year-old said she felt fine, but her ...

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 ...

As the world’s population ages, health experts are bracing for higher rates of age-related diseases, including Alzheimer’s. Finding new ways to diagnose the condition is more of a priority than ever, ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

The test may make it easier to identify whether people with memory and thinking problems have Alzheimer’s or not. By Pam Belluck A blood test that can help diagnose Alzheimer’s disease has received ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.