Category: Forensic Toxicology

The Reliability Of Gunshot Residue

This article explains The Reliability Of Gunshot Residue and the scientific, legal or practical evidence readers should understand.

Does Bleaching Hair Affect a Hair Follicle Drug Test?

Short answer: Yes. Bleaching can affect what a hair drug test—often called a “hair follicle test”—measures. Bleach, permanent dye, relaxers, and other chemical treatments can change drug concentrations in hair. The effect varies by drug, treatment, hair condition, and laboratory method. Cosmetic treatment does not reliably make a person “pass”…

How Real Is Toxicology Testing On TV

This article explains How Real Is Toxicology Testing On TV and the scientific, legal or practical evidence readers should understand.

Types Of Drug Tests In The 21st Century

This article explains Types Of Drug Tests In The 21st Century and the scientific, legal or practical evidence readers should understand.

Drug Toxicology: Alcohol vs Drug related DUI

This article explains Drug Toxicology: Alcohol vs Drug related DUI and the scientific, legal or practical evidence readers should understand.

A Short History of Forensic Toxicology

This article explains A Short History of Forensic Toxicology and the scientific, legal or practical evidence readers should understand.

Drug Toxicology: Impairment & Driving

This article explains Drug Toxicology: Impairment & Driving and the scientific, legal or practical evidence readers should understand.

Drug Testing: Sweat Patches 101

This article explains Drug Testing: Sweat Patches 101 and the scientific, legal or practical evidence readers should understand.

NarcoPouch Test False Positive Dilemma

This article explains NarcoPouch Test False Positive Dilemma and the scientific, legal or practical evidence readers should understand.

Toxicology Lawyer Talks Drug Testing in The Workplace

This article explains Toxicology Lawyer Talks Drug Testing in The Workplace and the scientific, legal or practical evidence readers should understand.

Advances in Tools For the Forensic Toxicologist

This article explains Advances in Tools For the Forensic Toxicologist and the scientific, legal or practical evidence readers should understand.

Drug Testing Myths

This article explains Drug Testing Myths and the scientific, legal or practical evidence readers should understand.

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Recent Blog Articles

Oral THC Affected Cognition Without a Parallel Symptom-Scale Increase in a Schizophrenia Study

An oral THC condition worsened selected cognitive outcomes without a significant parallel increase in measured psychotic symptoms several hours later. That combination of findings does not show that THC is harmless in schizophrenia or that all routes have identical effects. Several populations and treatment conditions The double-dummy laboratory study involved…

Read Article: Oral THC Affected Cognition Without a Parallel Symptom-Scale Increase in a Schizophrenia Study

CBD-Associated Liver Enzyme Elevations Occurred Without Reported Liver Symptoms

Healthy adults developed elevated liver enzymes during a four-week CBD trial despite not reporting corresponding liver-related symptoms. The finding shows why the absence of symptoms cannot substitute for the laboratory endpoint being studied. A repeated-dose randomized trial The trial involved 201 healthy participants overall and compared CBD at 5 mg/kg…

Read Article: CBD-Associated Liver Enzyme Elevations Occurred Without Reported Liver Symptoms

CBD–Terpene Sleep Trial: The Average Effect Was Smaller Than the Best-Responder Result

A CBD–terpene trial found a small average change in wearable-estimated sleep stages, while the largest reported improvements occurred in selected responders. Those responder figures should not be presented as the expected benefit for everyone with insomnia. A combined formulation and incomplete datasets The study used 300 mg CBD with eight…

Read Article: CBD–Terpene Sleep Trial: The Average Effect Was Smaller Than the Best-Responder Result