Question

define environmental health. Discuss the effects of biological, chemical and physical agents in water on human health in about 500words​

Answer 1

Answer:

HERE IS THE ANSWER

Explanation:

Environmental health is the science and practice of preventing human injury and illness and promoting well-being by  identifying and evaluating environmental sources and hazardous agents and  limiting exposures to hazardous physical, chemical, and biological agents in air, water, soil, food, and other environmental media or settings that may adversely affect human health.

 

An environmental health professional or specialist is a practitioner with appropriate academic education and training and registration or certification to  investigate, sample, measure, and assess hazardous environmental agents in various environmental media and settings;  recommend and apply protective interventions that control hazards to health;  develop, promote, and enforce guidelines, policies, laws, and regulations;  develop and provide health communications and educational materials;  manage and lead environmental health units within organizations;  perform systems analysis;  engage community members to understand, address, and resolve problems;  review construction and land use plans and make recommendations;  interpret research utilizing science and evidence to understand the relationship between health and environment; and  interpret data and prepare technical summaries and reports.

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Background and Need for Action

Environmental Health is the branch of public health that focuses on the interrelationships between people and their environment, promotes human health and well-being, and fosters healthy and safe communities.  

As a fundamental component of a comprehensive public health system, environmental health works to advance policies and programs to reduce chemical and other environmental exposures in air, water, soil and food to protect residents and provide communities with healthier environments.

Answer 2

Answer:

Environmental health is the branch of public health that promotes human health and well-being, focuses on the relationships between people and their environment and fosters healthy and safe communities.

Thee are several biological, chemical and physical agents in the environment which effect the human health in many ways:

• The presence of pesticides in water has bad effects on human health. Research shows that it has strong connection with cancer, birth defects, fatal death and neurological disorder etc.
• Thermal pollution cause the production of heat in excess which are harmful for the human health as well as aquatic organisms.

• The oil spill, waste disposal especially plastic causes marine pollution which are detrimental the human life and marine life.
• Radioactive waste has a long life which is the leftover waste of the experiments conducted and dumped in the oceans. They have an effects on the health of ecosystem.
• Pollutants like Zinc, cadmium, mercury and arsenic cause very dangerous diseases to the human health.
• How can a chemical agent cause harm to human health?
• Inhalation of gases, dusts or mists is a common route of exposure to toxic elements.
• Exposure to a toxic substance like gasoline can also affect human  health. Since drinking gasoline can cause burns, diarrhea, vomiting,  and death.

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