Apathy is often associated not only with environmental factors and stress. This condition may indicate the presence of chronic disorders of the nervous system, heart, blood vessels.
In some cases, emotional void and a lack of desire to do something are the signs of Parkinson's disease, pathology, about which many physicians don't remember.
Note, apathy is different from depression. If help for depression antidepressants, the treatment of apathy in this group of drugs does not make sense. In apathy the person experiences lack of emotion, lack of motivation, desire to move and work. Depression in most cases creates a negative attitude towards the present and future of a person, in this disease appear suicidal thoughts, mood swings and unfounded guilt.