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Pesticides: a review article
1Biological and Medical Research Department, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia.
Summary
Pesticide use in agriculture boosts crop yields but raises health concerns due to residues. Exposure risks are high for farm workers, with potential for both acute and chronic health effects from various chemical properties.
Area of Science:
- Agricultural Science
- Environmental Health
- Toxicology
Background:
- Pesticide application is crucial for modern agriculture, enhancing crop yields and reducing losses.
- Widespread pesticide use leads to residues in food, causing public health concerns.
- Farm workers face the highest exposure risks to pesticides.
Purpose of the Study:
- To review the multifaceted health implications of pesticide use in agriculture.
- To highlight the varying toxicological profiles and exposure risks associated with different pesticide types.
- To discuss the potential for both acute and chronic adverse health outcomes.
Main Methods:
- Literature review of epidemiological data on pesticide health effects.
- Analysis of pesticide properties: mode of action, metabolism, and toxicity.
- Examination of exposure pathways and dose-response relationships.
Main Results:
- Limited epidemiological data exists for human pesticide health effects.
- Pesticides pose risks for acute effects from high toxicity and chronic effects from accumulation or persistent biological impacts.
- Adverse effects can stem from active ingredients, impurities, and formulation components.
Conclusions:
- Pesticide exposure presents significant human health risks, varying by chemical properties and exposure duration.
- Long-term, low-dose exposures can lead to chronic health issues like cancer and reproductive problems.
- Comprehensive risk assessment must consider all components of pesticide formulations.