Despite its benefits, biomonitoring faces several challenges: - Ethical Issues: Informed consent, privacy, and the use of biomonitoring data must be carefully managed. - Technical Limitations: Accurate measurement of low-level exposures and the need for sophisticated analytical techniques. - Interpreting Data: Understanding the clinical significance of detected chemicals and their health implications can be complex. - Resource Intensive: Requires significant investment in terms of time, expertise, and financial resources.