Richard Hogan: Parents are often unaware how pornography has changed over the years

People who create this incest-themed or violent content understand very well that the more extreme the material is, the more taboo it is, the more people will consume it. They know that dopamine fires when someone views a hardcore image

Richard Hogan: "Children are becoming sexualised earlier and earlier, and we have to protect them from that. Because once they lose that innocence, it’s gone forever."

Suffocation, choking, and strangulation are staples of online pornography, and lack of consent is presented as normal sexual desire.

The British government recently announced that online pornography depicting choking is to be made illegal.