How do horror films of your time reflect specific fears and anxieties of the current generation?

Because they put a seince of belive in a mind that is not fully devoliped

Explanation:

and if they see something it stays fresh in there mind

for say like p o r n

In teens Thats all that is on there mind when they get exposed

you could also say that they are anticapating it to happen like they saw in the movie

Horror films can reflect specific fears/anxieties because it creates tension or suspense and it tries to play at the intersection of those forces, but it also tries to understand how we reconcile humanity and the uncanny.