Does coffee really boost brainpower? Psychologist explains what research shows

Rebecca A. Steele, PH.D., a New York-based neuropsychologist, breaks down what scientists know about caffeine and cognition, including why short-term improvements in focus don't necessarily translate to lasting neurological benefits.

Rebecca A. Steele, PH.D., a New York-based neuropsychologist, talks to Fox News Digital about what scientists know about caffeine and cognition, including why short-term improvements in focus don't necessarily translate to lasting neurological benefits.