A recent study of cognitive analyses says the average intelligence quotient, or IQ, in the United States is about 98.

Simple blood test gets green light by FDA to improve early detection of Alzheimer’s disease - Millions of Americans are ...

Alzheimer's disease is a heartbreaking and complicated condition, slowly taking away memory, thinking, and independence.

A blood test that could help rule out Alzheimer's is now cleared by the FDA. The test is designed for adults 55 and up who ...

To identify and follow blood vessel-related changes in the brain that contribute to cognitive impairment and dementia, researchers and clinicians typically rely on MRI to evaluate "downstream" ...