Dizziness, also known as "blood phobia", is a mental disorder in a special situation, which belongs to a kind of phobia.
This disease belongs to phobia together with "object phobia" of fear of seeing snakes and caterpillars, and "communication phobia" of fear of seeing strangers and the opposite sex, which has no inevitable connection with timidity;
Dizziness is also different from carsickness and seasickness. The former is similar to acrophobia and is a psychological problem; The latter is the physiological problem of the balance organ of the inner ear;
Although the cause of dizziness has not been clarified yet, this kind of mental disorder is certainly not the kind of mental disease commonly known as "neuropathy". In addition to being unable to see blood, people with blood sickness are no different from ordinary people.
Psychological factors: blood sickness is a kind of hysteria, that is, an excessive reaction of consciousness and body caused by contacting or seeing and smelling blood. There are panic, palpitation, dizziness and other reactions in consciousness. The physiological and physical manifestations are increased blood pressure, accelerated heart rate, nausea, limb weakness and so on. Blood sickness actually originates from conscious activities in the cerebral cortex. The brain sends out instructions to promote the secretion of relevant hormones and produce physiological and somatic reactions.