Toddlers are known to test the boundaries of their new world, often testing parents in the process. It is easy to feel angry at bad behavior, but be careful because too strong of a reaction could make things worse.

A powerful headache can make it hard to think about anything else but how much it hurts. Now imagine trying to think with constant, widespread pain and exhaustion.

If you're waiting until you feel thirsty before drinking water, then you're waiting too long. And without proper hydration, you're likely to feel moody, anxious and unable to concentrate.

For most people, sleep problems can cause a range of health issues, but new research reveals they may contribute to a different mental health problem: dissociative identity disorder.

If you don't see green when you look out the window, you're at greater risk of mental and behavioral health issues, a new study suggests.

It's been believed and debates for centuries: can listening to melancholy music actually make you feel sad? Research may have proven that it can.

It is an age-old human question: why do some people behave morally, while others do not? Sociologists have long worked to answer this question.  

One of the world’s leading general medical journals just expressed its concerns about changes in the upcoming edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-V).

Teenagers face the pressures of illegal drinking whether parents talk to them about it or not.  New research supports moms and dads who not only talk to their children about alcohol but also set rules.

It's often said that children grow up too quickly in modern society. Now, the so-called "Spirit of Childhood" has been placed on the endangered species list.