enviro

toxicology

studies chemical poisons and the effects it has on human health

dosage

the amount of a substance that should be taken at a certain time or over time

allergens

substances that causes allergic reactions to some users

endocrine disrupter

chemical that interferes with hormone systems

carcinogens

substances that cause cancer

teratogen

substances that cause birth defects

POPS

harmful chemicals that stay in the enviroment

POP characteristics

persistance, bioaccumulation, toxicity, health risks

dirty dozen

12 harmful chemicals

examples of dirty dozen

pesticides, industrial chemicals, byproducts

byproducts

unwanted toxic "leftovers" from making other chemicals

ecological impacts from pesticides

cancer, hormonal and brain issues

bioaccumulation

harmful chemicals that build up in an organism over time

biomagnification

harmful substances that increase in concentration as it moves up the food chain

highest concentration in food chain

tertiary , apex predator

infectious disease

A disease that is caused by a pathogen.

spreads from one individual to another.

pathogen

an organism that causes disease

zoonotic disease

comes from animal bites, physical contact, or contaminated food

DDT

very strong chemicals used to kill mosquitos

malaria

disease caused by the bite of mosquitos

where is DDT used

Asia, Africa

Why dont developed countries use it

health risks, environmental harm, bioaccumulation, banned in some countries as well