Source :
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7804193/Migraine is one of the most common headache disorders, with a worldwide prevalence ranging from 5 to 12%. The World Health Organization (WHO) has recognized migraine as an urgent public health priority and listed it as a major leading cause of disability.
I think anxiety and fear of pain play a great role in the prognosis of these patients long term. Many patients describe that the anxiety of their next attack is sometimes worse than the attack itself.