Modern life is characterized not only by the conveniences made possible by technological advances but also by greater mobility in search of still greater opportunities. It is this search for " greener " that takes people across their national borders and into foreign countries all over the world. These major life changes , however , expose individuals to many novelties in a new culture , which are the causes of culture shock . Culture shock is a process through which most people who enter a new culture pass through before they adjust to life in their new environment. Psychologists tell us that there are four basic stages that human beings pass through when they enter and live in a new culture. This process, which helps us to deal with culture shock, is the way our brain and our personality reacts to the strange new things we encounter when we move from one culture to another.