Environmental Health

Lecture 20: Environmental Health 

27 cards   |   Total Attempts: 182
  

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What is the definition of health?
Health = state of complete physical, mental, and social well-being
What is the definition of disease?
Disease = deleterious change in body's condition in response to an environmental factor
What is the definition of morbidity?
Morbidity = the rate of disease of proportion of diseased persons in given locality
What is the definition of mortality?
Mortality = subject to death
What are Disability-Adjusted Life Years?
DALYs = measure that combines both premature death and loss of healthy life to assess impact of illness or disability
What are the leading global causes of death?
Heart disease, depression, traffic accidents, stroke, chronic lung disease
How will infectious diseases of past effect us in the future?
Most = less of an impactException - tuberculosis (developing antibiotic resistance)
What are some risks of overcrowding?
War, violence
Emergent and infectious diseases are responsible for what fraction of mortality?
1/3
What is an emergent disease?
New disease or...Old disease occurring in new places / people w/ new presentations or new resistance to treatments
What are some examples of emergent diseases?
Bird Flu, Ebola, West Nile Virus, Dengue fever, cholera, drug-resistant tuberculosis
What factors contribute to the spread of contagious diseases?
1) High population densities2) Settlers pushing into remote areas3) Human-caused environmental change4) Speed and frequency of moden travel5) Contact w/ water or food contaminated w/ human waste
What is conservation medicine?
Studies impacts of environmental change on both human and non-human communities
What is an example of conservation medicine at KU?
KU's Biodiversity Institute, received grant from CDC to study "bird flu"1) Study and predict spread of viruses2) requires knowledge of bird communities and migration patterns3) Model niches of host birds
What does antibiotic and pesticide resistance lead to?
Leads to re-emergence of diseases such as...1) Antibiotic resistant TB, flesh-eating bacteria2) Malaria returning (mosquito = pesticide resistant)3) MRSA, methicillin-resistant - appears on the rise, fatal, hard to control