For example if there is a lot of stress at home this can make them unhappy and this could be how the individual that has experienced it around the home may begin to be like this with other people.
Theories that show how Nature affects PIES at adolescence.
The biological approach
The biological approach consists of many things. Two of these things are hormones and neurotransmitters.
Hormones play a huge role in the development of adolescences because it influences all areas of development, physical, intellectual emotional and social. Another way to explain the impact of hormones could be by saying ‘they take over the whole body’.
Neurotransmitters are chemical messages sent to the brain. Some of these chemicals are things such as serotonin. This controls the brain to tell you if you are hungry and when you need to stop eating. If there is a lack of serotonin in the body then this can cause depression. http://moodle.northamptoncollege.ac.uk/course/view.php?id=214 –Then scroll down to Psychology and click on the biological perspective.
Theory that shows how nurture affects PIES at