Demonic Possession!
The study of psychology today has changed in relation to mental heath and the reason for this not that we still have problems, but a political one of cutting costs?
Many elements of our society in relation to addictions and homelessness is connected to ill people being turfed out of former institutions that in the past provided them with some care and a roof!
During the ministry of Jesus two thousand years ago He dealt much with demonic possession and serious mental-illness in all ages from children to older folk and cured them of evil spirits who dominated their lives!
Convulsions, shaking, anger, falling into fire and over, uncontrollable movements that brought distraught to parents, spouses and relatives! Today the medical profession treat many of these causes with medications and yet mention the devil one could be expelled from the profession?
Matthew 7:22, 8:16, Mark 6:13, 7:26, Luke 6:22, Acts 19:15-16.
Ask me and I will tell you! 