health

The worst headaches you could possibly imagine

Headaches are among the most common nervous system disorders, and they come in more than 150 forms.

According to the World Health Organization, almost half of the adult population experienced a headache in 2015.

CNN Digital

Headaches are started by an irritation of nerve fiber in the linings of the brain.

Diet, emotions, genes, or hormones could play a part.

CNN Digital

Sometimes the pain is well beyond what can be fixed with a painkiller.

Here are the most disabling headaches people face today:

CNN Digital

Cluster Headaches

Excruciating pain builds on one side of the head in a matter of minutes. Many experts consider these headaches to be the most painful type.

CNN Digital

Alarm Clock Headaches

This type of cluster headache is named because it wakes people up during the night.

CNN Digital

Migraines With Auras

Classic migraines may come with auras, which can effect language, movement and visual perception. Some can even mimic the symptoms of a stroke.

CNN Digital

Migraines Without Auras

These are far more common. 70-90% of people with migraines experience this type. There is a moderate or severe throbbing sensation.

CNN Digital

Medication-Overuse Headaches

This type of headache is caused by overusing acute pain relief medicine. They affect 1-2% of people worldwide.

CNN Digital

To steer clear of the more average kinds, it's best to sleep well, avoid caffeine and get plenty of aerobic exercise.

CNN Digital