Without prayer, the believer is left with nothing to believe. Prayer has been proven scientifically in the medical profession through case studies, to improve the health of people, particularly people with grave diseases. Although medical scientists can not produce the actual cellular process prayer has an effect on the brain of ill people and those with disease, the people, themselves, do the proving. The results factor in these studies have shown that through some power other than medical applications, an ill person can actually become (less) ill due to the faith that person has in the Power of prayer and in particular to the person's belief system as well as those people are surrounded by others with the same belief in prayer.