Linked from
The 20 pages that link to Body horror, each with the reason it gives.
WerewolfRelated: Werewolf metamorphosis makes physical change itself a source of horror.
ShapeshiftingRelated: Unwanted shapeshifting often produces fear through loss of bodily control.
Darren AronofskyRelated: Physical deterioration often makes inner conflict tangible in his films.
Go NagaiRelated: Devilman uses monstrous bodily change to make its horror intimate and unsettling.