Newsfront
March, 1987
Split EndsBirmingham—Opening another front in the war on drugs, scientists at the University of Alabama have adapted the radioimmunoassay technique to test hair samples for cocaine and other drugs that are no longer present elsewhere in the body. Writing in the Journal of Forensic Sciences, researchers Frederick P. Smith and Ray Liu state that traces of drugs are deposited in hair as it grows in the scalp and remain detectable even after the hair is cut or lost. Since hair grows half an inch per...
