It's a frightening thought, but our kids have a world of graphic material at their fingertips, and it is finding them at an increasingly young age. The latest research shows they are first exposed to online porn between the ages of eight and nine, on average. We can protect them at home, but it can be difficult to control what they're seeing elsewhere. Mel opens up about a distressing incident with her 8-year-old daughter, and how she handled it.

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