Migraines are a result of physiological changes in the brain and cause severe pain that can be accompanied by sensitivity to light, sound or smells. They can be caused or triggered by many factors including stress, certain foods or hormonal changes. The pain is described as throbbing or pounding, usually in one side of the head and can cause visual disturbances, nausea and/or vomiting.
Most affected people are female adults and it is estimated that 1 in 4 people will suffer from a migraine at some point in their life.
A headache is a symptom of pain located anywhere in the head or neck region and there are many different possible causes; some include fatigue, dehydration, sleep deprivation, stress, a side effect of medication, common colds or viral infections, loud noises, and head injury. Of all physical discomforts, a headache is one of the most commonly experienced discomforts.
Tensions headaches are the most common and they occur due to a contraction of muscles in either the face, scalp or neck. It is estimated that in a given year, they affect 1.6 billion people, about 22% of the earth’s population. It is important to note that not all headaches are migraines.