The index finger of his left hand suddenly went numb

The sudden numbness of the left index finger may be caused by cervical spondylosis, and the compression of the nerve of the cervical vertebra is easy to cause hand numbness. Usually pay attention to correcting bad sitting posture, standing posture, rest more, and reduce bending movements. The sudden numbness of the left index finger may also be related to hypertension, hyperlipidemia, cerebral infarction, etc.