Approximately 45 million Americans suffer from chronic headaches, and of them, 28 million are classified as migraines. While some people elect to treat with medication, they may not gain any relief because of the true cause of the headache.The bones in the neck may be misaligned causing swelling in the tissues and muscles throughout the neck thus causing a lingering headache. Through basic chiropractic adjustments, your spine and neck can become realigned, alleviating the stress on your neck, therefore eliminating the root cause of your headaches.