A food dye similar to the one used in blue M&Ms and liquorice allsorts could offer hope to people with spinal cord injuries, its only drawback being that it would briefly turn them blue.
In a study of rats the dye, known as brilliant blue G (BBG), reduced inflamation in the spinal cord and signifiantly improved long-term outcomes after injury.
An unforeseen side-effect of the treatment on rats was that their skin turned bright blue, leaving the white animals with bizarre blue noses, ears, paws and tails. The eyes of the albino rats turned from pink to a deep navy.
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