1. Endocrine disruptors

affect the endocrine (hormone) system (Hormones stimulate growth, development, sexual maturity).

2. Phthalates

a hormones disrupting chemical & found in toys, perfumes, cosmetics

3. Pesticide drift

airborne transport of pesticides

4. Breakdown products

simpler products that toxicants degrade into

5. DDT

one of the most well-known synthetic insecticides, degrades into DDE, which is also highly persistent and toxic

6. Case history approach

studies individual patients. Autopsies tell us about lethal doses

7. Epidemiological studies

large-scale comparisons between exposed and unexposed groups to hazards

8. Dose-response analysis

measures the effect a toxicant produces on animals or the number of animals affected at different doses

9. Dose

amount of substance the test animal receives

10. Response

the type or magnitude of negative effects