Jehovah's Witnesses have been criticized by adherents of mainstream Christianity, members of the medical community, former Jehovah's Witnesses, and commentators with regard to their beliefs and practices. The Jehovah's Witness movement's leaders have been accused of practicing doctrinal inconsistencies and making doctrinal reversals, making failed predictions, mistranslating the Bible, harshly treating former Jehovah's Witnesses and leading the Jehovah's Witness movement in an autocratic and coercive manner. Jehovah's Witnesses have also been criticized because they reject blood transfusions, even in life-threatening medical situations, and they have also been accused of failing to report cases of sexual abuse to the authorities. Many of the claims are denied by Jehovah's Witnesses and som