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Human exposure to neonicotinoid insecticides: Safe or not?
Yishuang Duan1, Zhen Sun2, Xiaoran Zhang1
1Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan 430056, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
Neonicotinoid insecticides (NEOs) exposure is linked to human health issues, including reproductive and developmental problems. Further research is needed to understand the full impact and establish causality.
Area of Science:
- Environmental Science
- Toxicology
- Public Health
Background:
- Neonicotinoid insecticides (NEOs) are widely used, raising concerns about non-target organism effects and human health.
- Evaluating human exposure to NEOs and their toxicological impact is crucial.
Purpose of the Study:
- To review human biomonitoring studies on NEOs.
- To summarize epidemiological, in vitro, and in vivo toxicological investigations on NEOs' health effects.
Main Methods:
- Analysis of human biomonitoring data for NEOs and their metabolites.
- Review of epidemiological studies on NEO exposure and health outcomes.
- Synthesis of in vitro and in vivo toxicological data on NEOs.
Main Results:
- Human biomonitoring shows varied NEO detection frequencies and concentrations across populations.
- NEO metabolites may serve as more sensitive biomarkers than parent compounds.
- Epidemiological studies suggest links between NEO exposure and adverse health outcomes, but causality is not established.
- In vitro and in vivo studies indicate NEOs cause neurotoxicity, hepatotoxicity, reproductive toxicity, and genotoxicity.
Conclusions:
- Extensive NEO exposure poses a threat to human health.
- Further research is needed on molecular mechanisms, metabolite toxicity, and prospective epidemiological studies to establish causality.
