Knowra Environmental health Environmental health Environmental health studies how physical, chemical, biological, and social conditions in the environment affect human health, and how harmful exposures can be prevented.
Exposure pathway : The route by which a contaminant moves from a source through the environment to a person. Environmental health maps these routes to identify where exposure can be interrupted.
Air pollution : The presence of harmful substances or energy in the atmosphere at concentrations that can damage health or ecosystems. Air pollution control reduces exposures linked to respiratory and cardiovascular disease.
Environmental hazard : A biological, chemical, physical, or social condition in the environment with the potential to cause harm. Hazard identification is the starting point for environmental health investigation.
Environmental justice movement : A movement seeking equitable protection from environmental harms and fair participation in environmental decision-making. Community organizing made unequal exposure a central public health and policy concern.
Dose–response relationship : The association between the amount of exposure to an agent and the magnitude or probability of an effect. It helps estimate how changing exposure levels changes health risk.
Drinking water quality : The chemical, physical, and microbiological condition of water intended for human consumption. Water standards and treatment prevent infections and toxic exposures.
Environmental exposure : Contact between a person and an environmental agent through inhalation, ingestion, skin contact, or another route. Exposure distinguishes the presence of a hazard from the dose people actually encounter.
Social determinants of health : The conditions in which people are born, grow, live, work, and age, and the forces shaping those conditions. Environmental risks interact with housing, income, work, and access to services.
Environmental toxicology : The study of harmful effects caused by environmental chemicals and other agents in organisms. It connects contaminant exposure with the biological effects environmental health seeks to prevent.
Food safety : The practices and controls that prevent food from causing illness or injury. Environmental health addresses contamination during food production, processing, storage, and service.
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