33 citations,
June 1995 in “International journal of legal medicine” Environmental factors can greatly reduce drug levels in hair.
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,
June 2020 in “Drug Testing and Analysis” A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.
393 citations,
November 2000 in “Archives of General Psychiatry” Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.
14 citations,
January 1996 in “Journal of Forensic Sciences” Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.