The following links will provide you with a starting point to gather information for both professionals and consumers.  While every effort is made to ensure that these links are current, DAAC assumes no liability or responsibility for the information contained at these sites.

The objective of WHO is the attainment by all peoples of the highest possible level of health. Health, as defined in the WHO Constitution, is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.

The Centers for Disease Control and Prevention (CDC), located in Atlanta, Georgia, USA, is an agency of the Department of Health and Human Services.  The Centers for Disease Control and Prevention (CDC) performs many of the administrative functions for the Agency for Toxic Substances and Disease Registry (ATSDR), a sister agency of

The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, is the world's largest medical library.