why are negative ions are good for us while postive ions are bad ?
1) “There is much debate concerning negative ions, both pro and con, and it is difficult to avoid advertisements touting the wonder of negative ion generators. Most companies manufacturing these devices make a number of grandiose claims, all largely unproven. However, this is not to say that the claims lack a certain amount of validity. The ion generators may well contribute to good health, however the stridency of the advertising should be taken with a grain of salt. One will usually read that ion generators clean the air of dust and dust mites, animal dander, and mold spores. It will often further be stated that negative ions can kill harmful germs and bacteria, and do away with smoke and unwanted odors. Normally, the sales pitch touts the generators as a boon to those who are afflicted with allergies or asthma. Some models are even equipped with an ultra-violet filter that is supposed to aid in the cleansing process. The truth of the matter is that negative ion generators do remove
