Health risk assessment is widely used. It can not only evaluate and prevent the spread and epidemic of various diseases, but also help the government, enterprises and the public to have a clearer and more accurate understanding of the potential hazards caused by various chemicals, substances and environmental factors, so as to take more scientific and effective control and management measures and reduce risks. At the same time, health risk assessment is also helpful to improve the public's awareness and transparency of health risks and enhance the public's trust and participation in the government and enterprises.
Although health risk assessment has been widely used and recognized, it still faces many challenges and controversies. For example, the reliability of evaluation data and methods, the actual implementation of risk management, policy formulation and public participation. Therefore, further research and improvement are needed in the future to further improve the level and quality of health risk assessment. Only in this way can we better protect human health and maintain social stability and development.