7 citations
,
  January 2019   in “Journal of Analytical Toxicology”    Tramadol and THC-COOH can be detected in hair for several months after stopping use.  
               30 citations
,
  March 2012   in “Journal of Analytical Toxicology”    THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.  
      3 citations
,
  December 2022   in “Cells”
           3 citations
,
  December 2022   in “Cells”    Cannabinoids like CBD and THC may help treat non-cancer skin diseases, but more research is needed.  
      28 citations
,
  November 2013   in “The FASEB journal”
           28 citations
,
  November 2013   in “The FASEB journal”    Mice with CBS deficiency are healthier on a low-methionine diet.  
      March 2025   in “Journal of Dermatological Treatment”
           March 2025   in “Journal of Dermatological Treatment”    Cannabis users may need higher anesthetic doses during hair restoration surgery.