No, not because you want blue appendages, but because scientists at University of Rochester Medical Center have discovered that blue food dye — commonly found in M&M’s, Jello, and Gatorade — might protect against nerve inflammation in the case of spinal cord injury. On side note, they also say that we consume 100 million pounds of blue dye a year in the US. Which kind of makes us wonder why we don’t all look like this guy. [via Wired]