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Spinal decompression devices watch your back
Fitness stores sell a variety of spinal decompression/traction devices -- inversion tables and ankle boots that hang you upside down and stretch out your back -- on the promise that they help relieve back pain, enhance general back fitness, provide deep relaxation and maybe even slow age-related height shrinkage. The last, after all, is partially caused by the flattening and dehydration of the soft disks that separate your vertebrae.
January 11, 2010