I lost 7kg, reduced my body fat by 6 per cent and gained muscle at 57 - without fat jabs. I felt awful after my double knee replacement but now I've got my mojo back. I'm even on cover of Women's Fitness, by Mail's JANE FRYER

When I was set the challenge by my editor to make the cover of Women's Fitness magazine, one of Britain's most successful health magazines, I really tried not to laugh in her face.

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