Negative Ionizer Sections
We do not have enough information to conclude the more the better. Various negative ion effects on the human body have been reported. Some medical literature written over half a century ago shows that high density negative ions are not always good for health.
However, there has been no report that high density negative ions have a negative effect while many negative ion generators have been in the market for many years, so there is no immediate health concern.
in FAQs on Ions