PHOTOS: Blue Rats Move Again After Food-Dye Injection

PHOTOS: Blue Rats Move Again After Food-Dye Injection
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A rat's foot and tail—and the skin under its fur—are turned blue by a derivative of a food coloring.

If administered within four hours after a spinal cord injury in rats, Brilliant Blue G dye prevents inflammation, thereby staving off permanent paralysis, a July 2009 study says.

The rat also enjoyed improved bladder control, which is a "big deal" for humans with spinal cord injuries. "Anything you can get is helpful," study co-author Nedergaard added.
—Photograph courtesy Takahiro Takano
 
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