In yesterday's Daily Mail extract from her eye-opening book, Liz Earle revealed how at 62 she's turned back her biological clock. Today, she explains how sunlight can supercharge our cells... In yesterday’s Daily Mail extract from her eye-opening new book on how to age well, skincare guru Liz Earle revealed how at 62 she’s turned back her biological clock. Today, Liz explains why we should all go barefoot and how sunlight can supercharge ... [9956 chars]