What reason is often giddy hit often giddy

summary

Frequent dizziness is a very common disease in modern society. Dizziness is experienced by most people. Some dizziness is a small problem, but people who know it should be familiar with it, but some dizziness indicates a big problem. Chen Xiaohua introduced that there are many reasons for dizziness, such as iron deficiency, hypoxia and low blood pressure. What are the specific ones?

What reason is often giddy hit often giddy

First: iron deficiency fatigue is the main symptom of anemia. Due to the lack of iron in the body, the red blood cells are reduced, the oxygen carrying capacity of hemoglobin is reduced, and the oxygen carrying capacity of the brain is insufficient, resulting in vertigo.

Second: Migraine Professor Susan Haydn of the British migraine Association said that vertigo is often a precursor of migraine attack, which is caused by narrowing of cerebral blood vessels and reduction of blood flow.

Third: dehydrated brain is mostly composed of water, once the human body is dehydrated, brain function will be abnormal. Professor Lawrence Armstrong of the University of Connecticut said that when dehydrated, blood viscosity increases, body temperature increases and heart rate increases. Therefore, the occurrence of dizziness, might as well drink a large glass of water to try.

matters needing attention

Swimming can easily lead to water in the ear. Once the water affects the balance organ of the inner ear, dizziness can last for several hours or even days before the water in the ear is completely dry. Experts pointed out that before and during swimming, emotional tension will lead to a decrease in cerebral oxygen, and then vertigo.