Psychologist Westley Youngren explains why we dream, why nightmares are so important to study, and lucid dreaming is ...

Worry is wisdom in disguise. Research shows that, when balanced, worry helps us prepare, care, and grow rather than simply ...

Goosebumps arise when tiny muscles around hair follicles contract, causing the hair to stand on end. Learn what triggers them and when they may be cause for concern.