The debilitating effects of pornography are back in the headlines.

UK politicians last month called for porn addiction to be treated as a public health crisis, claiming it is as bad as cigarettes.

Tonight, TVNZ's Sunday show will investigate the issue and explore if it really is as bad as they said.

Journalist Jehan Casinader joined The Weekend Collective to discuss his report and what he learnt about porn, as well as to answer callers questions about the crisis.

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