Ever wondered why you feel so drained after a long day of thinking hard? It turns out, mental exhaustion can really take a toll on your body, especially when it's chilly. Researchers wanted to find out how mental fatigue, combined with cooling down the whole body, affects how well you can perform in endurance exercises. They figured out that when your mind is tired ...

Endurance athletes might have a secret weapon against mental exhaustion. Mental fatigue is a real thing. It is a temporary dip in brain power after a long, tough mental task. It can mess with your ability to do physical tasks and even make you less eager to put in mental effort. But here is the thing. Regular exercise, especially the kind that gets your heart pu...