15 citations,
May 2007 in “Hormones and Behavior” Finasteride boosts morphine's pain relief, stops tolerance, and reduces withdrawal in rats.
63 citations,
August 1996 in “Forensic Science International” Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.
14 citations,
July 2017 in “Monatshefte für Chemie - Chemical Monthly” Analytical chemistry helps understand the makeup and use of ancient medicines, but it's complex and challenging.
14 citations,
January 1996 in “Journal of Forensic Sciences” Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.
11 citations,
July 2008 in “European Journal of Drug Metabolism and Pharmacokinetics” Finasteride helps reduce pain and inflammation in animals.