Headache Learn about headaches and what you can do to avoid them. Is exercise giving you headaches? Here's what you need to know. (2 min. read) The Basics Are your headaches caused by allergies? Migraine facts and myths When a migraine strikes Headache triggers quiz More information Headache: Should you see a doctor? Home remedies for headaches Sinus trouble can be a real headache When a headache may mean something serious When pain is a medical emergency Headaches in children: What parents need to know Migraines and women: Is it hormones? Headache triggers vary widely What are cluster headaches? Related stories