What is called a abnormal behavior?

What is called a abnormal behavior? Abnormal behavior is directly related to mental disorder, if someone is experiencing mental disorder, he can not control his thoughts or to control himself, or herself out of control.
Yes on the nature of our daily life we often come across people who have an abnormal behavior and of course it's all there must be a cause and it should be done immediately in the prevention or treatment and should those who have abnormal behavior should be taken to a psychiatrist. Now it advances the science of psychology continues to evolve forward, along with the progress of time.
We are living now is very lucky compared to a century now, the treatment of the modern psyche now. And information about mental health is also now easy to find just how we learn, books that discuss mental health is widely available, also on the Internet that presents a lot of information about mental health. We also important to study the science of psychology, to know ourselves, there is a saying "do not know why no love" know ourselves to improve our quality of life and the prevention of abnormal behavior. abnormal psychology disorders