David Windle, 46, a deputy headteacher from Camberwell in London dismissed his back pain as a gym injury and doctors thought it was a slipped disc. But aged 44, he was diagnosed with myeloma.David Windle, 46, a deputy headteacher from Camberwell in London dismissed his back pain as a gym injury and doctors thought it was a slipped disc. But aged 44, he was diagnosed with myeloma.Read MoreHealth News | Mail Online
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