Often people pinch each other out of mischief. Not only children, sometimes even adults do this for fun. Whenever someone pinches rapidly, severe pain is felt. But have you ever noticed that if you pinch yourself or someone else on the elbow or knees (Why pinching elbow does not pain), they would not have felt severe pain. Have you ever wondered the reason for this? The human body is very strange, its structure is so unique that when you understand it completely, you will consider nature as a very promising…
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