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Paralyzed Man Walks After Cells for Smelling Placed in Spine

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A man paralyzed from the chest down in a knife attack is walking again after undergoing surgery using cells responsible for the sense of smell, marking an advance in the search for treatments for spinal injuries.

Darek Fidyka, 38, received the cells after failing to recover from a stabbing in the back in 2010, according to University College London, whose doctors developed the procedure. The technique involves using olfactory ensheathing cells and placing them in the spinal cord.