Usually, “do nothing” is poor advice to follow if you want to feel better. Yet a strong body of literature now shows that meditation—the mindful art of doing nothing but sitting still—effectively relieves pain. Now, a new study published in the Journal of Neuroscience shows that meditation accomplishes this differently from other pain-relievers, like opiates. “This ancient technique that’s been around for thousands of years is reducing pain through novel mechanisms, ways we’ve never seen…