This document provides information on different types of headaches, including their causes, symptoms, and characteristics. It discusses primary headaches like tension headaches, which most commonly affect women, and migraines, which often affect younger females. It also covers secondary headaches that can result from issues like infections, head injuries, or vascular disorders. Specific headache types like clusters headaches that predominantly impact adolescent males are also outlined. The document details factors like headache location, duration, frequency, and associated symptoms that can provide clues to determining the underlying headache type and cause.