What Is Headache? Symptoms, Causes, Diagnosis, Treatment, and Prevention

A person with a headache has discomfort or pain beneath the scalp or forehead, behind the eyes, or arising from the head or upper neck. While headaches may occur occasionally or frequently, they are still the most common nervous system disorder in the world. Evidence suggests that 52 percent of the global population is affected… Continue reading What Is Headache? Symptoms, Causes, Diagnosis, Treatment, and Prevention

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