Toxicant and Disease Database
The CHE Toxicant and Disease Database is a searchable database that summarizes links between chemical contaminants and approximately 180 human diseases or conditions. Diseases and or toxicants can be viewed by utilizing the search options below. See a full description of the database and its limitations.
For questions or comments about the database, please contact Nancy Hepp through our Contact form.
Altered time to sexual maturation (accelerated or delayed puberty)
Causes Grouped by strength of evidence
Some chemicals are associated with both delayed and early puberty. For lead, delays in puberty are most marked in African-American and Mexican-American girls with blood lead concentrations 3 mg/dL