The row over a French documentary on autism; Epilepsy medication in Kenya; Owls v Larks
BBC World Service Online
Hepatitis C can destroy the liver - will a new vaccine mean the end for the virus?
Nicotine patches to help memory loss, HIV and circumcision, frozen embryos good for IVF.
Claudia Hammond talks to psychologist Prof Kahneman on his book Thinking, Fast and Slow