The roll-out of so-called 'smart' meters, designed to help us take control of our energy use, has been pushed back by four years to the end of 2024 after major problems. The Prime Minister Boris Johnson arrived in flood-hit Derbyshire after parts of Britain suffered chaos today. He also helped mop up flood water inside a Specsavers in Matlock earlier. Flora Gill, daughter AA Gill and former Home Secretary Amber Rudd, recently did a home DNA test which said she had a 60 per cent chance of developing dementia, writes DR MICHAEL MOSLEY. Treatment for cytotoxic agent pediatrics.