Originally Posted by mrsD

Anxiety can cause paresthesias... which feel similar to the sensations of real PN. PN is a disease process in the nervous system, due to damage (vaccines, drugs, viruses, toxins, nutrient deficiency, genetic errors, diabetes, hypothyroid issues, autoimmune attacks, etc)

Paresthesias often come and go and can be dependent on hyperventilation or poor breathing habits. They often reflect a temporary change in blood pH, from the changes in carbon dioxide levels. Anxiety can also raise blood pressure which then reduces blood flow to the periphery in some people. Paresthesias may reflect deranged calcium metabolism (low D) and or poor magnesium levels. They can also come when blood sugars dip low. Low blood sugars can cause muscle twitching.