There was an article on Gizmag about using the blue dye (used in blue M&M's) being used to help those paralyzed to walk again. The downside that it turned the mice blue. If you were paralyzed and it could help you walk again, would mind that it turned you blue? ???
"Blue M&M food dye reduces paralysis from spinal injuries - but turns you blue"
http://www.gizmag.com/blue-food-dye-spinal-injury-trauma-bbm/12474/ (http://www.gizmag.com/blue-food-dye-spinal-injury-trauma-bbm/12474/)
(http://www.gizmag.com/pictures/hero//12474_11080950207.jpg)
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