 If the vagus nerve is damaged, you've lost parasympathetic control. The brakes don't work. So pressure goes up, heart rate goes up, cholesterol goes up, triglycerides go up, everything goes up. Have you ever wondered why all labs are always high? Oh my God, your sugars are high, your A1C is high, your this is high, your that is high. How many of you have ever had your test done and been like, the doctor's like, what?