Video: In Depth

Paralysed dog walks again after nose cell treatment (2:55) 

Nov. 20 - Jasper the dachshund is walking again after pioneering surgery to inject his paralysed back legs with cells grown from the lining of his nose. Doctors say the technique is unlikely to cure paralysis in humans but could one day be used as part of a spinal treatment to help disabled patients regain movement in their legs. Jim Drury reports. ( Transcript )

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