Tell please about ionizatore-a cleaner of air. Interest sledujushch...

[The anonym]

Tell please about ionizatore-a cleaner of air. Following questions interest:
1) heard, that he should be bi-polar (to develop or produce not only negative, but also positive ions) - whether the truth it (in the market basically unipolar;
2) If I suffer such diseases, as:
The lowered resistibility of an organism to virus and fungic or fungal infections (a herpes and a candidiasis)
nejrotsirkuljarnaja a dystonia at the lowered pressure;
Hypererethism or Hyperexcitability of nervous system,
Whether there are contraindications?

[Rzheznikov M.V.]

Hello
I regret, but a question to the wrong address.
The given information simply I do not own.
Yours faithfully