Or,it can be severe. The National Headache Foundation says more than forty-five million people in the United States suffer chronic headaches.

VOA: special.2011.05.03

Eighty to ninety percent of cluster headache patients have pain over a number of days to a whole year.

VOA: special.2010.03.30

The Mayo Clinic says you may feel a tension headache as tightness in the skin around your eyes.

VOA: special.2010.03.30

Or,it can be severe. The National Headache Foundation says more than forty five million people in the United States suffer chronic headaches.

VOA: special.2010.03.30

The Cleveland Clinic in Ohio says the cluster headache can be many times more intense than a migraine.

VOA: special.2010.03.30

People who suffer from migraines can find that different "triggers" in different people may get a headache started.

VOA: special.2009.03.18

If he takes the medicine his doctor ordered early in his headache, it controls the pain.

VOA: special.2010.03.30

For patients from two to eighteen, the guidelines are similar except there should be no loss of consciousness, no vomiting and no severe headache.

VOA: special.2009.10.28

They are attempting to improve treatment of one kind of headache -- the migraine.

VOA: special.2010.03.30

Medicines for tension headache can be as simple as aspirin or other painkillers.

VOA: special.2010.03.30

One effect of this lack of oxygen to the brain is a headache.

VOA: special.2009.07.14

A tension headache can last from a half hour to a whole week.

VOA: special.2010.03.30

Such a headache causes severe pain that goes away but returns later.

VOA: special.2010.03.30

Such research caused the International Headache Society to re-name the tension headache.

VOA: special.2010.03.30

The group suggests steps to ease or end a tension headache.

VOA: special.2010.03.30

The US Headache Consortium is a group with seven member organizations.

VOA: special.2010.03.30

Today,Mister Croley says months can pass without a headache.

VOA: special.2010.03.30

Cluster headache patients describe the pain as burning.

VOA: special.2010.03.30

The group now calls it a tension-type headache.

VOA: special.2011.05.03

First the infection causes fever,headache,itchy skin and weakness.

VOA: special.2010.04.07

A migraine headache can cause disabling pain.

VOA: special.2009.03.18

"Even if their eyes start to feel uncomfortable or they start to get a headache, they're less likely to tell their parents, because they don't want to have the game or the computer or whatever taken away."

VOA: special.2011.08.01

"Our study showed for the first time a clear difference between oxygen and air in the treatment of acute cluster headache.

VOA: standard.2009.12.17

Dr Joel Saper, Founder of the Michigan Headache and Neurological Institute says using oxygen also helps to avoid overuse of other medications.

VOA: standard.2009.12.17

Researchers also found that oxygen could stop the headache pain and eliminate other symptoms associated with cluster headaches, such as red,swollen and watery eyes.

VOA: standard.2009.12.17