1 Introduction : what parents need to know -- pt. 1. How the risk society turned on its own children -- 2. The MMR debacle -- 3. The trouble with vaccines -- 4. Age of anxiety -- pt. 2. How parents turned against MMR -- 5. Autism and parents -- 6. Alternative autism -- 7. The campaign against MMR -- pt. 3. The problem of junk science -- 8. The Lancet paper -- 9. Missing links -- 10. The metamorphosis of Andrew Wakefield -- 11. Epilogue: what doctors need to do