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Why do some of our body parts get numb some times?
Numbness is caused  due to a variety of reasons.Some of the reasons are given below.
Sitting or standing in the same position for a long time
Injuring a nerve (a neck injury may cause you to feel numbness anywhere along your arm or hand, while a low back injury can cause numbness or tingling down the back of your leg)
Pressure on the nerves of the spine, such as from a herniated disk
Pressure on peripheral nerves from enlarged blood vessels, tumors, scar tissue, or infection
Shingles or herpes zoster infection
Lack of blood supply to an area (for example, from atherosclerosis or frostbite).


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