Negative air ions and their effects on human health and air quality improvement. Positive and negative ion mode comparison for the determination of DNA/peptide noncovalent binding sites through the formation of "three-body" noncovalent fragment ions. The inhalation and deposition of charged particles within the human lung. Air ions and respiratory function outcomes: A comprehensive review. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. This can worsen asthma symptoms or increase your risk of lung disease. This can cause a build-up of particles in your respiratory system. This can include your airways (the windpipe and the inside of your lungs). Negatively charged particles also stick to surfaces after they’re knocked out of the air by electrical charges. The extra electrical charges released into the air by an ionizer can also lead to dangerous levels of electrical charge in your home. Some researchers claim this can make symptoms of conditions like asthma worse (though a 2013 review of studies found no reliable, significant evidence of an effect - beneficial or detrimental - on asthma or pulmonary functions). Ozone particlesīut negative ionizers can release ground-level (tropospheric) ozone into the air. Ionizers create negative ions by discharging electrical currents into the air (like the corona discharge effect of a lightning storm). The greatest risks of negative ions come from ion generators used in small spaces like bedrooms. Many negative ion generators or “ionizers” can help reduce pollution particles that are up to 5 feet off the ground by as much as 97 percent.īut keep in mind that this effect has mainly been studied in controlled environments that don’t have major sources of new pollutants constantly entering the air. reduce serotonin to help manage anxietyĪnd this same study looked at how negative ions affected indoor air pollution.coli, Staphylococcus aureus, and the bacterium that causes tuberculosisīut researchers also noted that there was no evidence that negative ions could: kill or inhibit the growth of harmful bacteria, viruses, and mold species, such as E.Researchers looked at 100 years of studies and found evidence that negative ions could: But this study did find a small improvement on cognitive performance after short-term exposure to increased negative ions.Ī 2018 review of ionization literature also found an effect of negative ionization on many facets of human health. Lower levels of exposure (just 30 minutes or so) were only enough to help people affected by SAD.Ī very small 2015 study didn’t find any major effects on mood or mental health from negative ions. Shorter duration of negative ion exposure may positively affect seasonal depression.High levels of exposure (like several hours or more) to negative ions caused people with chronic depression and seasonal affective disorder (SAD) to record lower scores on surveys of their depression symptoms. Hours of negative ion exposure may reduce symptoms of depression.A 2013 review of scientific literature on negative ionization published between 19 found that ionization had no impact on people’s general mental health but did find a notable effect on people with depression.
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