Christian Science: Denial of Reality and a False Gospel. Christian Science is one of the most deceptive religious movements to emerge from 19th-century America. Founded by Mary Baker Eddy, it denies the reality of sin, sickness, and even death, presenting a pse Christian Science is one of the most deceptive religious movements to emerge from 19th-century America. Founded by Mary Baker Eddy, it denies the reality of sin, sickness, and even death, presenting a pseudo-Christian