Your workout playlist may feel motivating, but research shows music during exercise does not reliably boost focus or mood.

Add Yahoo as a preferred source to see more of our stories on Google. Feeling wiped out by mental work has different causes than what drives physical fatigue. nensuria/iStock via Getty Images Plus Do ...

This functional MRI image of a human brain illustrates the connection between the insula (smaller brain image) and the dorsal lateral prefrontal cortex (larger brain image) as a result of cognitive ...

It’s common to feel drained more easily with age. While exhaustion can stem from a variety of causes, from lack of sleep to medical conditions (consult your doctor for any prolonged changes), making ...

Do you ever feel spacey, distracted and worn down toward the end of a long work-related task—especially if that task is entirely a mental one? For over a century, psychologists have been trying to ...