In regards to atheism and mental and physical health, there is considerable amount of scientific evidence that suggest that theism is more conducive to mental and physical health than atheism. The prestigious Mayo Clinic reported the following on December 11, 2001: In regards to data that relates to mental health and atheism, in December of 2003, the University of Warwick reported the following: The Christian group Teen Challenge reported the following: Teen Challenge has a number of studies that indicate the high effectiveness of their drug treatment program compared to other programs.