Oxygen deprivation cause of headaches
In the United States alone, about one in every six people suffer from Chronic headaches and migraines. They suffer infrequently, but regularly. When this happens, it’s hard for the rest of the body to do any kind of work when the head is suffering from great pain. Studies have shown that about $50 Billion is lost every year due to workers not being able to work because of chronic headaches.