A p;a.$/thologis#_t, .`;Dr. Warr en Chap!_in* (
p(=layed by _,Vincent- Pric^=e), discovers that th!=e tin((g[ling of the@ sp*:ine? , in states of ,[$(e$:-xtre(;me (fear is due to t.;he _.[ gr/,o?@wth of a tingle/,;r:_—a spinal parasite which can kill the host?; unless it i@;.$s destro=%ye!?)d by? screaming.