sixpenceee: Have you ever wondered why an ice pack relieves pain? Why should cold make the pain go away? It works because a cold object activates fast fibers in your spinal cord, while pain travels up to your brain in slow fibers. So when you press

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sixpenceee: Have you ever wondered why an ice pack relieves pain? Why should cold make the pain go away? It works because a cold object activates fast fibers in your spinal cord, while pain travels up to your brain in slow fibers. So when you press

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