negative ions bulbs

1.it helps to clear purify the air and clear dust,smoke and bad odours2,it helps to purify one is blood by stimulating blood circulation3,it regulates cell's melabolism process helps one to stay youthful and healthy4,it strengthens one immune system,preventing sickness and cold 5,it helps self-regulating verves relieve insomnia ,headaches,pain in the back and waist rheumatism ,high blood pressure.etc