A first-of-its-kind study from UC San Francisco published Thursday found a simple blood test for middle-aged adults may indicate who is more likely to show diminished cognition even without any dementia symptoms.

The findings show that Alzheimer’s may be present in midlife and already linked to cognitive differences, researchers said.

The American Cancer Society updated its screening guidelines for colorectal cancer Wednesday, expanding the number of methods to include a simple blood test.

The American Cancer Society’s newest recommendations include blood tests, in addition to stool tests and colonoscopy.

A simple blood test may be able to spot signs of Alzheimer’s disease long before someone shows symptoms, a new study has revealed