The research contents of environmental hygiene include:
1. Environmental pollution and its impact: Environmental pollution refers to the adverse impact of human activities on the environment, such as the harm of chemicals, noise, radioactive substances and other substances to human health and the environment. Environmental hygiene studies the sources, characteristics, spread, influence mechanism and prevention measures of these pollutants.
2. Food hygiene: Food safety is one of the most concerned issues in people's daily life. Environmental hygiene studies the possible hazards in food production, processing and transportation, analyzes the causes of food safety problems, and puts forward corresponding management measures to ensure people's health and safety.
3. Water source sanitation: Most tissues and organs of human body contain water, so the sanitation quality of water source is very important for human health. Environmental hygiene studies the quality of water sources, including water source, purification, transportation and people's influence on improper wastewater treatment. Study how people evaluate and ensure water source sanitation.
4. Air sanitation: The seriousness of air pollution to human health and the environment is self-evident. Environmental hygiene analyzes the possible harmful substances in the air from the aspects of chemistry, physics and meteorology, such as particulate matter, ozone, sulfur dioxide and carbon monoxide. And the corresponding control measures are put forward.
5. Environmental health assessment: Environmental hygiene also studies the impact of the environment on human health, including air pollution, water pollution, food safety and other issues. Through the assessment of environmental health influencing factors, corresponding preventive measures can be formulated to reduce the impact on people's health.