25% of the global burden of disease is attributable to what?
Environmental factors: air, food and water pollution, wast disposal, natural disasters, nutrition
Environmental health factors
Chemical (pesticides, fuels), physical (radiation, temperature), biological (microbes), social/psychological (SES, stress).
Environmental health threats
Air pollution, water pollution, waste management and food contamination
2 main sources of air pollution
Stationary (coal power plants) and mobile (automobiles)
Sources of indoor air pollution
Paint, building supply, wood-burning stoves, mold/bacteria, smoking, pet dander, radon
Uses of water
Agricultural, domestic and industrial
Clean water act
Regarding water discharged into environment
Safe drinking water act
Regarding water we take into our body
Drinking water hazards
Disinfection byproducts increase cancer risk. Pharmaceuticals and personal care products end up in waste water system.
Categories of hazardous wastes
Characteristic wastes (ignitability, corrosivity, reactivity, toxicity) and listed wastes (F, K, P, U)
What are sources of food-borne illness?
Microbial, toxins, environmental contamination, pesticides and food additives.
What are the two portions of the public health assessment?
Exposure evaluation and health effects evaluation