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As many jurisdictions consider relaxing cannabis legislation and usage is increasing in North America and other parts of the world, there is a need to explore the possible genetic differences underlying the subjective effects of cannabis. This pilot study investigated specific genetic variations within the cannabinoid receptor 1 () gene for association with the subjective effects of smoked cannabis. Data were obtained from a double-blinded, placebo-controlled clinical trial studying the impact of cannabis intoxication on driving performance. Participants randomized to the active cannabis group who consented to secondary genetic analysis ( = 52) were genotyped at the rs1049353 and rs2023239 polymorphic areas. Maximum value and area under the curve (AUC) analyses were performed on subjective measures data. Analysis of subjective effects by genotype uncovered a global trend towards greater subjective effects for rs1049353 T-allele- and rs2023239 C-allele-carrying subjects. However, significant differences attributed to allelic identity were only documented for a subset of subjective effects. Our findings suggest that rs1049353 and rs2023239 minor allele carriers experience augmented subjective effects during acute cannabis intoxication.
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http://dx.doi.org/10.3390/ijms22147388 | DOI Listing |
Anal Methods
September 2025
College of Science, Kunming University of Science and Technology, Kunming, 650500, China.
To address the technical challenges associated with determining the chronological order of overlapping stamps and textual content in forensic document examination, this study proposes a novel non-destructive method that integrates hyperspectral imaging (HSI) with convolutional neural networks (CNNs). A multi-type cross-sequence dataset was constructed, comprising 60 samples of handwriting-stamp sequences and 20 samples of printed text-stamp sequences, all subjected to six months of natural aging. Spectral responses were collected across the 400-1000 nm range in the overlapping regions.
View Article and Find Full Text PDFBorderline Personal Disord Emot Dysregul
September 2025
German Center for Mental Health (DZPG), partner site Munich, Munich, Germany.
Background: Emotion dysregulation is a central feature in trauma-associated disorders such as posttraumatic stress disorder (PTSD) and borderline personality disorder (BPD). However, it remains unclear whether emotion dysregulation is a transdiagnostic phenomenon closely linked to childhood trauma, or if disorder-specific alterations in emotion processing exist. Following a multimethodological approach, we aimed to assess and compare the reactivity to and regulation of emotions between patients with BPD and PTSD, as well as healthy controls, and identify associations with childhood trauma.
View Article and Find Full Text PDFBMC Med Educ
September 2025
Department of Prosthodontics, University of Würzburg, Pleicherwall 2, 97070, Würzburg, Germany.
Background: Bridge preparation skills are a vital component of dental education and require specific techniques. This study aimed to develop and evaluate 3D printed teeth for use in defect-oriented bridge preparation and pre-prosthetic exercises in dental training, addressing the limited customization and lack of integrated workflows found in commercial typodont teeth. The null hypothesis stated that 3D printed teeth offered no advantage over established typodont training methods for bridge preparation.
View Article and Find Full Text PDFAesthetic Plast Surg
September 2025
Department of Plastic and Cosmetic Surgery, Tongji Hospital, School of Medicine, Tongji University, No.389 Xincun Road, Shanghai, 200092, China.
Background: The integration of digital tools in aesthetic medicine has enhanced the precision of facial feature analysis. Using concepts like the Golden Ratio, these technologies enable more objective assessments of facial proportions and symmetry. The beauty scanner-face analyzer (BS-FA) app offers a digital approach to evaluate geometric proportions and facial alignment, providing valuable data for preoperative planning in plastic surgery and aesthetic treatments.
View Article and Find Full Text PDFJ Safety Res
September 2025
School of Health and Biomedical Sciences, RMIT University, Australia; Institute for Breathing and Sleep, Austin Health, Heidelberg, Australia.
Introduction: Drowsiness is a significant cause of crashes in the various transport industries, including automotive, aviation, and rail. Our previous study investigated the differential induction of drowsiness in drivers caused by specific whole-body vibration (WBV) frequency ranges, with an amplitude of 0.2 m/s r.
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