What is the reason for arm numbness?

Clinically, the symptoms of arm numbness may be caused by cervical degenerative diseases pressing local nerves. In addition, it may also be caused by chronic endocrine diseases, such as diabetes mellitus and thyroid dysfunction, which are also easy to cause local neuromodulation abnormalities and numbness symptoms. If such symptoms are shown, it is recommended to check cervical MRI first to know whether there is substantial cervical degenerative diseases, and cooperate with the selection of neurotrophic drugs. And should pay attention to prevent a long time 1 posture, to prevent excessive sleep pillow should not be too high