Sex, pornography, relationships… how do you talk to your children about these challenging topics? And how do you even start a conversation if you feel like you don't have the knowledge? Joining Helen Lea to explore in this week's Life Issues are two people involved in running sex ed lessons in schools across the UK. Catherine Healey Chief Executive of ACET UK and Paul Semakula – ACET UK’s Schools Worker and Training Co-ordinator for London and the South.