... , dust, cigarette smoke, pet dander, pollen, mold spores, viruses, and bacteria from the air.Negative ions have long been ... (enhancing disease resistance), and increased digestive enzyme flows.Negative ions are Nature’s therapy, offering breathing stabilisation, boosted ... , dust, cigarette smoke, pet dander, pollen, mold spores, viruses and bacteria from the air. Negative ions have long been ...