Tired business woman with headache looking uncomfortable while working with computer in the office

Why do we always have headache?


Stress can cause tight muscles in the shoulders and neck, which often leads to tension headaches. When tension headaches become frequent, the pain in shoulder and neck muscles is felt by the brain as pain in the head.

Tension headache at work. A man sits in the office, feels a headache, holds his head with his hands

Hunger itself can trigger a migraine or tension headache. But eating certain foods may trigger migraines. It could be just one type of food — like beans or nuts — or many foods, such as avocados, bananas, cheese, chocolate, citrus, herring, dairy products, and onions.

Alcohol intake

Alcohol is a common migraine trigger. For some people, a few ounces of red wine are all it takes to provoke a headache, although any kind of alcohol can be a trigger. It’s not clear if the alcohol itself is to blame or if another component in the drink causes the problem.


Environmental factors such as bright light, smoke, humidity, intense scents, or cold weather are associated with migraine headaches. People with cluster headaches often note that their headaches occur with specific seasonal changes.


Changes in estrogen levels are associated with migraines in women, and women suffer from migraines more often than men. Menstrual cycles may be tied to migraine in younger women.

Stressed woman sit on bed with morning bad mood, touch head, suffer headache after night of insomnia

Varying estrogen levels during perimenopause can sometimes start migraines in women who never experienced them before. Estrogen therapy may also be a migraine trigger. Menopause does seem to end migraines in most women.

Caffeine withdrawal

If you normally consume caffeine in coffee or tea, stopping intake abruptly may trigger a migraine. This may be because caffeine causes blood vessels to constrict; without caffeine, the blood vessels widen and bulge out with each heartbeat — a chief reason for the pounding pain of migraines.

Lack of sleep

A lack of sleep is associated with migraines and tension headaches. For people with migraine, falling asleep can often stop an attack or at least decrease the severity of pain.

Is this your headache?

Tension headache.

Pain often starts in the neck and back and works its way up to feel like a tight band around your head. It often goes away with rest.

Migraine headache.

Pain typically begins on one side of the head, throbs or pounds, and makes you sensitive to light and sound. It may cause nausea. A migraine can last for hours or days.

top view of young man touching head while suffering from migraine

Cluster headache.

A cluster headache feels like a stabbing pain in the eye. It may cause eye tearing or redness, runny nose, or nasal congestion. It may last for a few minutes or hours, go away, and come back several times per day. These headache clusters can occur for months, disappear, and reappear a long time later.


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