A page from a book titled "Is it cluster headache or something else?". The page is divided into two sections. On the left side there is a list of questions and answers related to cluster headaches. The questions are: - Cluster headache - Migraine headache On the right side of the page there are two images. The first image is of a man with his head in his hands smiling and holding his head with both hands. He appears to be in pain or discomfort. The second image is an illustration of a person experiencing cluster headaches with their eyes closed and their head tilted back. The text on the page explains that cluster headaches are a common symptom of migraine headaches and that they can be caused by a variety of factors such as headaches headaches and headaches.

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