头晕是如何回事(国外英文资料).docVIP

头晕是怎么回事 Whats going on Dizziness, also called vertigo, is a subjective sensation. Can be divided into two categories: one is rotational vertigo, more caused by dysfunction of vestibular nerve system and cerebellum, and a feeling of dumping is given priority to, feel his shaking or scenery. The second is the general halo, which is caused by some systemic disease, the feeling of dizziness is the main, and the head is heavy. Zheng Lijie physician is an expert in heilongjiang institute of armed police mental illness, also has the profound understanding, for dizziness below asked her to introduce some knowledge about dizziness and prevent adjustment method, hope to help everyone. The halo is caused by blood vessels dilating and blood flow to the brain. This phenomenon can be caused by exposure to the hot sun for too long, a hot bath time is too long, or nervous, angry, etc. In addition to these factors, vitamin deficiency, hormonal abnormalities, menopause or autonomic dysregulation also contribute to dizziness. Depending on the reason, dizziness is divided into the following. Only the face is hot, and the hands and feet are cold -- most often in women over 50. Mostly because of the hormonal imbalance of menopause. The endocrine glands and hormones in the body can cope with the physical activity and the external temperature, and have the function of regulating the body to function smoothly. Menopause, sex hormone secretion, reduce and even stop, the body produces many changes, in addition to stiff shoulder, headache, and dizziness, hands and feet cold symptoms, etc. Sudden onset of dizziness: a disorder of autonomic disorder. Its also called the vasculature nerve. Most of them appear on women, with headaches, vertigo, lethargy and cold. Dizziness often burning conditions: if accompanied by fierce heart palpitations and shivering body, is the phenomenon of hyperthyroidism, this is because the thyroid hormone is secreted exuberant excess makes metabolism, feel whole body