LMNT reports that caffeine blocks fatigue signals without creating energy, enhancing focus by stimulating neurotransmitters.

The discovery could open up new ways for treating diseases such as MS by leveraging molecules that are already present in the human body.

When we scratch an itch, something tells our brain when to stop.

A new study found a short siesta is enough to reorganize connections between nerve cells so that new information can be stored more effectively.