Scientists have uncovered a key brain signal that helps us break old habits and adapt when circumstances suddenly change. By ...

Neuroscientist Miia Kivipelto's life's work has been about preventing dementia. Now, at 52, she has begun thinking more about ...

This neurotransmitter signals to the brain when it’s time to abandon old routines and adapt to new changes.

If you have ever lifted a weight, you know the routine: challenge the muscle, give it rest, feed it and repeat. Over time, it ...