The doctrine of the incarnation has not been always accepted well by some in the church. This article explains how Docetism, Arianism, and Nestorianism denied the incarnation.

Docetism is a teaching that claimed that Jesus only appeared to be human but in essence was not human. This article explains why this teaching is heretical, and its relevance for the church today.

What were the heresies of the apostolic age? This is the question discussed in this article. The main heresies include Gnosticism, Docetism, and the heresy of Cerinthus.

This article on the life of Ignatius of Antioch (c. 35-107) also looks at his martyrdom and his struggle against docetism.