The first thing to consider is that the numbness in the body is a result of daily habits. Poor posture, incorrect sitting or standing posture can lead to numbness all over the body, as can chronic alcohol consumption, lack of energy or poor appetite.
The generalized numbness is also considered to be caused by nerve damage. If the peripheral nerve cells are damaged, it can irritate the body and lead to neuritis, and when the peripheral nerves are compressed or diseased, it can also lead to generalized numbness, which needs to be treated in conjunction with the actual condition.
There are many other causes of numbness in the body, such as diabetes, cerebrovascular disease, or drug and chemical irritation, which can cause similar reactions.