LONDON, England, Jan. 2 -- Cephalalgia, a peer-reviewed journal that says it features all aspects of headache from the International Headache Society, published research articles on the following topics in its January 2023 edition:

Original Articles:

* Transition of cluster headache phenotype: An interview-based study

* Comparison of continuous headache features in youth with migraine, new daily persistent headache, and persistent post-traumatic headache