Category: Forensic Toxicology

Hair Follicle Testing: Uses, Limits and Contamination Risks

Hair follicle testing has risen in use to over 200,000 drug tests per year in the U.S. This type of drug testing analyzes the hair shaft for drug metabolites, as opposed to analyzing bodily fluids such as urine or saliva which are used in most other types of drug testing .

Breathalyzer Tests: Accuracy, Limitations and Legal Challenges

It’s not uncommon for law enforcement to use breathalyzer tests for estimating the blood alcohol content in a driver’s system. The controversial results of these tests are then used as a case for charging someone with a DUI.

How DNA Contamination Can Change a Court Case

When a crime occurs, scientists may use DNA evidence to ascertain who are possible suspects and, in some cases, find them guilty in court. Yet relying so heavily on such a sensitive test can have consequences, especially in criminal court cases.

Medical Marijuana Cards: Rights, Limits and What to Know

Legalizing marijuana continues to be a hot topic in the United States, whether speaking about recreational or medicinal use. At the time of printing, it was legal to purchase marijuana for medical use in 33 states – with more states, such as Kentucky , advancing bills for legalizing.

Sweat Patch Drug Testing: Accuracy and Limitations

Toxicology plays a large role in various legal cases by serving as evidence for or against the presence of drugs and alcohol in the human body. As the science of toxicology constantly progresses and advances, different methods are introduced to the industry.

Can Blood Tests Determine a Person’s Age?

Forensic Science has progressed over the years, with the advancements in blood testing proving to be extremely useful in many cases. Although TV shows today, such as CSI or True Detective, make blood testing and DNA analysis seem unsurpassable, the current forms of blood testing have had their…

The Opioid Epidemic: A Toxicology Report

The United States has paid a heavy toll for the nation’s opioid epidemic. Opioid-related deaths have placed a heavy burden on the country and one of the hidden impacts of this crisis is how it affects American pathologists across the United States.

New Drug-Testing Protocols: A Forensic Toxicologist’s Analysis

Forensic toxicologists all over the country are tasked with testing evidence collected from all of the crime scenes that law enforcement personnel investigate. This testing includes drug evidence from every crime scene imaginable, from homicides to simple traffic citations for drug possession…

DUI Alcohol Testing: Methods, Accuracy and Limitations

This article explains DUI Alcohol Testing: Methods, Accuracy and Limitations and the scientific, legal or practical evidence readers should understand.

How Drug-Testing Laboratories Preserve Sample Integrity

This article explains How Drug-Testing Laboratories Preserve Sample Integrity and the scientific, legal or practical evidence readers should understand.

Regulatory Toxicology and Pharmacology

This article explains Regulatory Toxicology and Pharmacology and the scientific, legal or practical evidence readers should understand.

How Death Changes Forensic-Toxicology Findings

This article explains How Death Changes Forensic-Toxicology Findings and the scientific, legal or practical evidence readers should understand.

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High-CBD Anxiety Treatment: Why Four-Week Improvement Does Not Isolate CBD

Fourteen patients reported less anxiety after four weeks of a high-CBD cannabis-derived preparation, with improvements on selected cognitive measures. The open-label study supplies preliminary human evidence, but cannot isolate CBD from expectancy, repeated testing or other constituents. The preparation was not pure CBD Patients used a full-spectrum sublingual solution three…

Read Article: High-CBD Anxiety Treatment: Why Four-Week Improvement Does Not Isolate CBD

Why Double-Dummy Controls Matter in Cannabis–Alcohol Driving Research

A protocol can show how investigators intend to separate oral cannabis, vaporized cannabis and alcohol effects. It cannot show that the planned treatments actually caused a particular amount of impairment. A 2022 simulator protocol makes that distinction especially important. What the investigators planned The publication describes two randomized crossover laboratory…

Read Article: Why Double-Dummy Controls Matter in Cannabis–Alcohol Driving Research

Cannabis After Age 65: Why a Three-Hour Simulator Result Is Not a Clearance Rule

Older regular cannabis users showed increased weaving and slower driving 30 minutes after smoking their usual product. The absence of a significant group effect at three hours did not establish that every driver had recovered. A study of established users The cohort included 31 adults aged 65 to 79. In…

Read Article: Cannabis After Age 65: Why a Three-Hour Simulator Result Is Not a Clearance Rule