Host desecration is a form of sacrilege in Christian denominations that follow the doctrine of the real presence of Christ in the Eucharist. It involves the mistreatment or malicious use of a consecrated host—the bread used in the Eucharistic service of the Divine Liturgy or Mass (also known by Protestants simply as Communion bread). It is forbidden by the Catholic, Oriental Orthodox and Eastern Orthodox Churches, as well as in certain Protestant traditions (including Anglicanism, Lutheranism, and Methodism). In Catholicism, where the host is held to have been transubstantiated into the body of Jesus Christ, host desecration is one of the gravest sins. Intentional host desecration incurs the penalty of excommunication latae sententiae. Throughout history, a number of groups have been accus