Portrait of a fucked up mind: Most disturbing films I have ever seen

Lots of us got hooked on this kind of movies because normal horror films were not enough to scare us, so many of us needed to go a little beyond in order to find something really extreme…
Lots of times I ask myself the question: What horror movies can be scary? And although I love horror cinema in all its different forms and styles, movies that can have the potential to scare you are, at least in my experience, very few.
But for a lot of people (including myself) sometimes that isn’t enough. For us sick and demented horror fans, the previous question soon starts to create the premise for the following ones: What...