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What Are Headaches a Symptom Of?

A headache is often a signal from the body telling you something is wrong; it is not the result of an "aspirin deficiency" as many people seem to believe.

  1. Dehydration

    • A common headache cause is dehydration from lack of water-intake. By the time a dehydration headache occurs, the body is usually severely dehydrated.

    Allergic Reaction

    • A headache can also be caused by allergies. Common allergens include perfume, food additives (especially MSG), cigarette smoke, pollen, detergents and dyes.

    Caffeine Withdrawal

    • Habitual coffee drinkers will often experience a headache in the event that they skip their morning coffee.

    Hunger

    • A headache can often be a sign of hunger, especially in hypoglycemics.

    Eye Strain

    • Staring at a computer screen for long periods of time---or squinting and straining the eyes to read or watch television can cause a headache in some individuals.

    Stress

    • Physical or emotional stress is a common headache cause.

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