HEADACHE TYPES: THE FACTS YOU NEED TO KNOW Bottom Line: Almost everyone will experience a headache at some point in their life, and over 50% of people will deal with the effects of headaches in a given year. Fortunately, headaches are rarely life-threatening. However, for people dealing with chronic headaches they can dramatically impact your quality of life. Why it Matters: The International Headache Society has classified over 150 different types of headaches. The most common being migraines and tension headaches. Migraines are triggered by chemical imbalances within the body and can cause a pulsating or throbbing pain often felt at the front or side of the head. You can identify a migraine through the symptoms experienced before and during, these symptoms can include: nausea, vomiting and sensitivity to light, sound and smell. Migraines can very between a few hours to few days! Tension type headache are often caused by stress, anxiety, dehydration,...