Eating up your greens could save your life £3m campaign to reduce level of teenage smoking Mother's baby at 63 revives ethics debate HEALTH: Aiming for a cost-cutting system Doctors oppose moves to make euthanasia legal Girl drug taker rejected on moral grounds, says grandmother Hard exercise beats blues 'Disagree with voluntary euthanasia . . . but don’t deny the right to me' Diet drugs must be last resort, say guidelines Over-the-counter drugs 'are the patient’s responsibility' The big promise: computing a cure for cancer Disaster in the developing world Hope born of gene revolution