A single blood draw called Galleri, made by GRAIL, is designed to look for cancer signals from more than 50 cancer types before symptoms appear.

The American Cancer Society updated colorectal cancer screening guidelines, adding blood-based tests and reaffirming screening should begin at age 45.

As cases continue to rise, a blood test has been added to the list of the American Cancer Society’s recommended screenings for colorectal cancer. It’s not meant to replace colonoscopies, but could help catch cancers when people might not get screened otherwise.

Figuring out how advanced a patient’s Alzheimer’s disease has become could be made much easier with this method.

A simple blood test that measures the hallmark proteins associated with Alzheimer's could detect the disease decades before symptoms appear, a study suggests. The findings show that Alzheimer's may be present in midlife and already linked to cognitive ...

Quiz: Which blood tests matter most for aging adults? Most people know they should get blood work done. Fewer know what each test is actually looking for, or why some panels become more important after