Special ionized rooms have been used in treating burn victims at Philadelphias Northeastern Hospital as it was found that negative ions helped tranquilize those in pain. Dr. Robert McGowan also noted that negative ions make burns dry out faster, heal faster and with less scarring. They also reduce the need for skin grafting. They make the patient more optimistic. He sleeps better. Himalayan salt rooms have been created to reproduce the therapeutic effects of naturally occurring salt caves, providing for easy breathing from allergy-related and other respiratory ailments. The occupier is surrounded by negative ions, fully enjoying the therapeutic benefits.