Hair in toxicology: an important bio-monitor

Hair analysis is used as a tool in the detection of xenobiotics (drug of abuse, pharmaceuticals, environmental contaminants, etc), forensic science, traffic occupational medicine and clinical toxicology. [...]in part four, an interesting chapter on the value of hair in bio-archaeology-for example, hair as an indicator of past diet and population movement or as an indicator of exposure to pollutants, and as a record of drug or micronutrient use.