EVIDENCE LIBRARY
Browse source-supported forensic toxicology guides in this subject area.
Oct 20, 2026
Primary 90-man methamphetamine study: reaction-time variability predicts simulated penalties but direct crash-ticket group comparison p=.07, no blood drug assay.
Read guideOct 20, 2026
A 24-child open-label preschool ADHD trial included 8 plasma PK profiles. See measured d-amphetamine concentrations, adverse events, and whole-blood limits.
Read guideOct 20, 2026
A 2016 methamphetamine-treatment MRI study found putamen and cerebellum interactions but no significant direct CT-versus-usual-care follow-up volume difference. No forensic whole-blood drug assay.
Read guideOct 20, 2026
A 17-person, open-label cocaine-use pilot tested lisdexamfetamine up to 140 mg. Learn what tolerability and self-reported changes show—and cannot prove.
Read guideOct 20, 2026
An original 99-child oral amphetamine suspension trial found classroom effects at 1–13 hours. It did not measure forensic blood amphetamine concentrations.
Read guideOct 20, 2026
Among 63 patients, only 188 of 536 sweat patches were valid. Opiate patch agreement was 27/81 versus cocaine 33/36 urine positives. Read the forensic limits.
Read guideOct 20, 2026
A 31-person oral dextroamphetamine experiment found more memory intrusions and word false alarms without stronger correct recall. Findings and forensic limits.
Read guideOct 20, 2026
In 37 adults, right putamen enlargement survived MRI correction, but other brain changes did not. Why this does not prove drug dose, individual impairment or causation.
Read guideOct 20, 2026
Primary 2026 study: 59 men, 25 hours awake, hourly Karolinska sleepiness; true significant and null results, no measured stimulant blood levels or driving safety test.
Read guideOct 20, 2026
In 53 children with ADHD, reaction-time patterns differed after a single oral methylphenidate dose by ODD diagnosis—but there was no placebo or forensic blood assay.
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