Radio 2 DJ Jo Whiley: "I"ve never done a fad diet, but I watch what I eat"

'I've never done a fad diet, but I watch what I eat': Under the microscope with Jo Whiley | UPDATED: 00:15 GMT, 11 December 2012 The Radio 2 DJ, 47, on existing without much sleep, having a high pain threshold and why she won't be having plastic surgery 'I often eat on the go, so it's (diet) not as healthy as it should be,' said Jo Whiley ANY FAMILY AILMENTS Rheumatoid arthritis — my dad is badly affected by stiff, painful joints, and my mum and grandmother also have it.