The true cost of smoking

Letters: Your leader (November 15) says that obesity, alcohol and smoking will create a £30bn increase in NHS spending by 2020.

Q&A: public health white paper

The government is to outline plans to tackle obesity, smoking, problem drinking and sexual health in a white paper today. But it must tred a fine line to help change behaviour without being accused of running a 'nanny state'. Hélène Mulholland reports.