The Salt Institute, a non-profit association of North American salt producers, is the world's foremost source of authoritative information about salt. Primary among its estimated 14,000 uses are chemical production, highway deicing, human and animal nutrition and water conditioning. Salt Institute experts are authoritative on issues of roadway traffic safety (especially winter driving), nutrition and dietary guidelines (including all medical research on sodium and health and iodine nutrition) and production and environmental issues concerning salt.