The effect of negative ion is so amazing that is has also been crowned with the name as “Vitamin in the air,” which is known by medical community. In fact, researches show that 85% of negative ion can be absorbed through skin, and 15% of negative ion can be absorbed from nose through respiratory tract and bronchi to the lungs. Therefore, cause its effect on physical activities of the human body. When negative ion enters the brain, it improves sleep quality and lowers blood pressure by adjusting the function of the cerebral cortex.
When negative ion enters the human respiratory tract, it can relax the bronchial smooth muscle, improve the function of the cardiopulmonary system, and improve work efficiency. Negative ion in the blood can reduce human fatigue, improve body response, and improve human immunity. Secondly, negative ion can also help human body reduce the soot in the air, thereby reduce the chance of getting diseases such as pneumonia and bronchitis.