Persons with substance abuse problems are particularly susceptible to possession since the use of drugs and alcohol breaks down the protective aura and allows evil influences to slip. The use of ouija boards, role-playing games, and the reading of satanic literature also are to be deplored. Weak-minded, frustrated adolescents are often seduced by the promise of power to be gained through satanic rituals. Seek your power through the Light of Christ. Often it is only temporary because some victims have invited the demonic presence.
Exorcism is the only thing to try against possession, but the best cure is prevention.
There is very little that can be done to rid a house of an elemental except to try to balance the energies of the house as in the Chinese practice of Feng Shui .