EVIDENCE LIBRARY
Browse source-supported forensic toxicology guides in this subject area.
Oct 20, 2026
A 114-person methamphetamine-use-disorder study found lower directed exploration and learning rates, but genuine null effects of induced anxiety. What the research cannot prove for a forensic case.
Read guideOct 20, 2026
Original 25-driver 10 mg methylphenidate crossover: lane SDLP and speed stability differed, while gaze entropy stayed nonsignificant in n19.
Read guideOct 20, 2026
152 adults took oral d-amphetamine or placebo. An SLC6A3 marker was linked to self-reported stimulation, but objective genotype tests were null. No drug blood level was measured.
Read guideOct 20, 2026
Original 33-person PET study: VMAT2 radiotracer binding rose in 16 methamphetamine users, especially five recent users. Why imaging cannot prove blood drug levels, neuron counts, or impairment.
Read guideOct 20, 2026
In 27 healthy men, 30 mg methylphenidate increased awareness of errors while overall no-go inhibition was nonsignificant. Examine atomoxetine, fMRI and forensic limits.
Read guideOct 20, 2026
A 36-adult ADHD study linked BRIEF-A and quality-of-life scores to stimulant response. Read the real odds ratios, null results, and blood-testing limits.
Read guideOct 20, 2026
A 49-patient randomized methadone trial found 250/375 mg disulfiram slopes differed from placebo, but within-arm declines were not significant.
Read guideOct 20, 2026
In 168 adults, age-adjusted reward-error and learning interactions differed by gender, while recognition moderation was null. The study did not assay blood methamphetamine.
Read guideOct 20, 2026
In 27 adults, early methamphetamine abstinence was associated with selected MRI cortical and Tower of London differences, but synthetic myelin results were nonsignificant. No forensic drug blood levels were measured.
Read guideOct 20, 2026
In 110 addiction inpatients, cognition improved in followed patients without a meth-specific change advantage; dropout difference p=.44. Forensic limitations.
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