During the Oct. 29 episode of 'Jimmy Kimmel Live!,' Democratic Rep. Jasmine Crockett accepted President Donald Trump's ...

Trump suggested a test involving identifying "a tiger, an elephant, a giraffe" is a measure of intelligence. President Donald ...

Donald Trump claims a 'perfect' cognitive test score at Walter Reed and mocks AOC and Jasmine Crockett, reviving questions about age, IQ, and mental fitness.

Joy Behar expressed deep concern about Trump having access to nuclear codes, stating that his cognitive abilities keep her up at night.

A new blood test that could help doctors identify whether a patient has Alzheimer’s disease was cleared by the FDA last week.

A simple at-home brainwave test can detect signs of memory impairment linked to Alzheimer's disease years before clinical diagnosis is typically possible. This feat has been demonstrated by ...