The Ion Effect

By Fred Soyka. Ions are electric particles flowing in the air around you. Negative ions can increase your sense of well-being, while positive ions (pollutants) have the opposite effect. This book features scientific findings about ions and how they can help you. Second edition, originally published 1977. Out of print and hard to find at this price. Condition: Small tear and some scuffs on front cover. (164 pages)