How do i know when i have a stress headache? what are the symptoms?

One way is feeling a repeating sense of throbbing pain near the back and front of you’re head in which can shift from one side to the other. Side effects may include nausea , vomiting ,abdominal pain , a stiff neck and you may also feel lightheaded or dizzy due to a decrease in sugar levels this is why many people ask for something high in sugar when experiencing a headache.

Answer(a); implementation of drug formulary checks;

Answer(d) they all send signals from the brain to the body through long axons in the vertebral column;