How do positive ions affect humans?
An excess of positive ions can have unpleasant physical effects such as: body pains, headaches, dizziness, twitching of the eyes, nausea, fatigue, respiratory difficulties, allergies, asthma, heart and circulatory disorders. It can also have psychological side effects such as: emotional unbalance, irritation, exhaustion, apathy, listlessness, anxiety, and depression.
