These crystal lamps help produce negative ions into the atmosphere. Negative ions help neutralize and restore the air quality in your office, business or home. It’s suggested for people suffering from respiratory illnesses such as sinuses, allergies, or asthma. Since the usage of electrical appliances produce positive ions, this lowers energy levels making people feel cranky, depressed or even tired. The usage of these crystal lamps allows balance of both positive and negative ions, helping reduce illnesses and restoring energy levels.