65 citations
,
May 2001 in “Journal of Analytical Toxicology” Basic drugs like amphetamine are absorbed more in darker hair than lighter hair.
2 citations
,
July 1988 in “JAMA” Amphetamines may not directly cause hair loss, as the type of thinning seen with their use differs from severe alopecia.
22 citations
,
February 2002 in “European Neuropsychopharmacology” Hair analysis for drugs in psychosis patients is unreliable due to varying hair growth rates.
1 citations
,
January 2013 in “Digital Scholarship - UNLV (University of Nevada Reno)” Targeting neurosteroids may help prevent drug relapse.
Amphetamine use may not cause hair loss, "geezer" traits are normal aging, not all educated older people are stereotypes, and metronidazole can rarely cause lung disease.