From CNN:

Blue M&Ms linked to reducing spine injury

The same blue food dye found in M&Ms and Gatorade could be used to reduce damage caused by spine injuries, offering a better chance of recovery, according to new research.

Researchers at the University of Rochester Medical Center found that when they injected the compound Brilliant Blue G (BBG) into rats suffering spinal cord injuries, the rodents were able to walk again, albeit with a limp.

Nice to know that M&Ms can actually have beneficial health effects.

Of course, CNN tells us of the fly in the ointment:

The only side effect was that the treated mice temporarily turned blue.

And they provide a picture:

That mouse doesn't look very happy.

But what a spine. huh?