The modified drug might help put an end to resistant superbug infections, experts hope.
Researchers find that the cocktail of chemicals in cigarettes is harmful to developing liver cells.
Dr Rangan Chatterjee, from Doctor in the House, on the options available to people living with back pain.
The National Autistic Society says it is deeply concerned about NHS plans in south-west London.
Parents could be fined up to €2,500 if they fail to see a doctor about vaccinating their children.