Who were the first to worry about diseases caused by the environment - greeks
Who observed increased incidence of scrotal cancer among chimney sweeps in Enlgand 1775 - Sir
Percival Pott
Who noticed increased incidence of cholera in London Thames River - John Snow
Who wrote a book (name?) about endocrine disrupting chemicals - Silent Spring by Rachel Carson
Bhopal Tragedy - gas leak (methyl isozynate) used for pesticides blew up thousands of people. 1984
december morning. The company is still paying people because of the issues it caused
Whats going on with the alligators in lake apopka florida - Their losing their ability to reproduce
Epidemiology is the... - the study of the distribution and determinants of health and disease, morbidity,
injuries, disability and mortality in populations
Environmental epidemiology is the... - study of diseases and health conditions that are linked to
environmental factors.
The typical environmental exposure agents include (4) - physical
chemical
biological
microbiological
2 forms of mercury
which ones worse for people
, where did exposure happen - methyl mercury-
far more toxic in humans
this was at minimata bay
ethyl mercury
Canada and abestos - white and blue abestos most common. Blue is also called...
Canada is the only country in the world to mine abestos. So exposure is of profound interest to Canada.
Canada banned its use and production in Canada. Used observational data to come to this
Shannon - TCE used near military base to clean guns. Dumped into the sewage system near shannon.
Concentration of TCE rose. Problems caused 25% increased cancer risk. However now its been cleaned
and people are moving back.
3 types of study desings - *Cross sectional*
*Cohort*
when there is an outcome
*Case Control*
Describe the population or community based approach to environmental epi - The approach often used
in environmental epidemiology is community based unlike that used in clinical research
Exposures in certain geographic locations or communities is examined for association or causality
Describe descriptive epidemiology - Ask the questions how when why what age
Person characteristics include demographic profile such as sex, age, ethnicity