Freiburg, Germany–(ENEWSPF)–October 22, 2015. THC metabolites may be present in the hair of individuals who have never ingested cannabis, according to clinical trial data published online in the journal Nature, Scientific Reports.
Investigators at University of Freiburg Medical Center in Germany assessed hair samples in human subjects with varying degrees of cannabis exposure. Researchers reported THC metabolites can be transferred from cannabis users to non-users via close body contact.
Authors concluded: “Our studies show that…
