Such pain is brought about injuries to the back like slipped disk, a narrowing of the spinal cord, spinal disk diseases, improper posture and pinched nerves. Some people experience tingling while for others it is just a dull ache. This condition affects many people around the world. 80 percent of adults in the west live their lives daily with sciatica Nerve Pain. The consistent pain, the hard night sleeps, and the activities that you always have been able to due are now in desperate need of help due to your sciatica nerve pain. Nerve Defend can help you a lot and protect you from chronic nerve pain.