These tests can reveal information about organ health, hormone levels, vitamin deficiencies, and markers linked to infection ...

The prognosis for Alzheimer’s disease is much better when patients are diagnosed as early as possible. And there’s great news on that front. WTOP talked to two local doctors about an advancement in ...

Capillary blood tests measure p-tau217, GFAP, and NfL without strict temperature controls or immediate centrifugation. Primary care physicians currently have a diagnostic accuracy of ~61% for ...

Earlier in March 2026, Guardant Health announced that its FDA-approved Shield blood-based colorectal cancer screening test is now widely available for physician order through Quest Diagnostics’ ...

Share on Pinterest Could an experimental blood test help predict a range of age-related diseases? Image credit: James Wakibia/SOPA Images/LightRocket via Getty Images. New research published in Nature ...

Early detection of Alzheimer's is becoming a reality thanks to a new home-collection blood test.

Colonoscopy is the gold standard for detecting colon cancer, but every year about 50 million people in the U.S. who qualify for a colonoscopy don't get it done, according to the American Cancer ...

A simple finger-prick dried blood test accurately tracked Alzheimer’s-related brain changes in research settings, pointing to a future role in widening access to early screening while confirmatory ...