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MANUSCRIPT 

Impact of Benzodiazepine Misuse on 

Adolescent Brain Development in Hispanic 

Youth on the Texas-Mexico Border: A 

Literature Review 
 

Marisol Acosta1, Makayla Garcia¹,², Jose Gonzalez¹,³, Aiden Hager¹,⁴, Aryanna Garza¹,⁵, 

Emily Delgado¹,⁶, Alexandria Garza¹,⁷, Amber Gonzales¹,⁴, Donna Grimaldo¹,⁸ 

 
1DHR Health High School and Community Outreach  
2  Jubilee Brownsville Academies   
3  Nikki Rowe High School  
4  Rio Hondo High School 
5  San Isidro High School  
6  La Joya High School   
7  Mercedes Early College Academy 
8   IDEA Quest High School 
 

Received: July 12, 2025  

Accepted for publication: January 6, 2025 

 

Introduction 

This literature review examines the impact of benzodiazepine misuse on adolescent brain 

development, focusing specifically on Hispanic youth residing on the Texas-Mexico border. This 

population faces unique challenges related to access to healthcare, cultural factors influencing 

substance use, and the potential for cross-border drug trafficking, all of which can significantly 

impact the prevalence and consequences of benzodiazepine misuse. While research on 

benzodiazepine effects on brain development exists [1], [2], studies specifically addressing this 

issue within the context of Hispanic adolescents on the border are limited. This review will 

synthesize existing knowledge from broader adolescent populations and highlight the critical 

need for targeted research in this vulnerable group. 

Benzodiazepines and Brain Development: A General Overview 

Benzodiazepines (BZDs) are commonly prescribed anxiolytics and hypnotics that act primarily 

through modulation of the GABAA receptor [3], [4]. These receptors are crucial for 

neurodevelopment, influencing neuronal migration, differentiation, and circuit formation [2]. 

However, the subunit composition and functional properties of GABAA receptors change 

throughout development [1], making the developing brain particularly vulnerable to the effects 



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of BZDs. Prenatal exposure to BZDs, for example, has been linked to alterations in neuronal 

positioning and cortical network excitability in mice [2]. Similarly, neonatal exposure can alter 

sensitivity to proconvulsant challenges [2]. These findings underscore the potential for long-term 

neurodevelopmental consequences from early exposure, even in the absence of overt symptoms. 

Furthermore, research suggests that the pharmacology and physiology of GABAA receptors may 

be altered in brains affected by seizures or epilepsy [1], creating further complexities in 

understanding the effects of BZD misuse. The impact of BZD misuse on adolescent brain 

development is further compounded by the co-occurrence of other substance use, as seen in 

studies reporting that nonmedical use of prescription opioids is a risk factor for BZD misuse in 

adolescents [5]. 

Adolescent Substance Use and Brain Development 

Adolescence is a period of significant brain maturation, characterized by substantial changes in 

both grey and white matter [6]. This ongoing neurodevelopment makes adolescents particularly 

susceptible to the adverse effects of substance use, including alcohol and marijuana [7], [8]. 

Studies have shown that adolescent substance users exhibit abnormalities in brain structure and 

function, including alterations in white matter integrity [8], [9] and impaired executive function 

[10]. Specifically, a study by Bava et al. [8] demonstrated that adolescents with extensive alcohol 

and marijuana use histories showed poorer white matter integrity in several brain tracts 

compared to their peers with minimal substance use. The impact of repeated substance use 

during this critical neurodevelopmental window remains a topic of ongoing research [8]. The 

National Consortium on Alcohol and NeuroDevelopment in Adolescence (NCANDA) [11] is a 

large-scale, multisite study designed to investigate the complex interplay between alcohol use, 

neurocognitive functioning, and neuromaturation. This longitudinal study offers valuable 

insights into the long-term effects of adolescent substance use on brain development. However, 

the findings from NCANDA, while valuable, do not specifically address the issue of 

benzodiazepine misuse in Hispanic youth on the Texas-Mexico border. 

Hispanic Youth and Substance Use: Cultural and Social Factors 

Hispanic youth, particularly those on the Texas-Mexico border, face a complex interplay of 

social and cultural factors that influence substance use patterns and their consequences [12], 

[13], [14], [15]. Acculturative stress, resulting from navigating two distinct cultural contexts, has 

been linked to increased risk of substance use [13], [16], [17]. Perceived discrimination and 

conflicts with parents regarding acculturation can further exacerbate these challenges [13]. 

Conversely, strong family support and a positive Hispanic cultural orientation have been 

identified as protective factors against substance use [13], [14]. However, these findings are not 

always consistent. For example, one study indicated that U.S.-born Hispanics perceive 

substances as less risky than their immigrant counterparts [18], highlighting the complexity of 

cultural influences. Furthermore, parental substance use problems have been shown to 

significantly impact preadolescents' cognitive performance [19], suggesting potential 



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transgenerational effects that could be particularly relevant in a border community with potential 

high rates of substance use across generations. 

The Texas-Mexico Border Context: Unique Challenges 

The Texas-Mexico border region presents unique challenges related to substance use among 

adolescents. Increased accessibility to drugs due to proximity to drug trafficking routes [14] 

could contribute to higher rates of misuse. Limited access to healthcare and mental health 

services, coupled with language barriers and cultural stigma associated with seeking help, may 

further impede early intervention and treatment [20]. This context necessitates culturally 

appropriate prevention and intervention strategies that address the specific needs and challenges 

of this population. The existing literature lacks specific data on the prevalence and impact of 

benzodiazepine misuse on Hispanic adolescents in this unique border region. 

Research Gaps and Future Directions 

There is a significant gap in research concerning the specific impact of benzodiazepine misuse 

on the brain development of Hispanic adolescents on the Texas-Mexico border. While the 

existing literature provides insights into the effects of BZDs on brain development in general [1], 

[2] and the cultural and social factors influencing substance use among Hispanic youth [12], 

[13], a focused investigation of this specific population is crucial. Future research should address 

the following: 

Prevalence and Patterns of Benzodiazepine Misuse: Studies are needed to determine the 

prevalence of benzodiazepine misuse among Hispanic adolescents on the Texas-Mexico border, 

identifying potential risk factors such as access to drugs, socio-economic factors, and cultural 

influences. 

Neurodevelopmental Outcomes: Longitudinal studies are needed to assess the long-term impact 

of benzodiazepine misuse on brain structure and function in this population, examining the 

relationship between misuse and neurocognitive outcomes such as executive function, memory, 

and attention. 

Cultural Adaptation of Interventions: Culturally sensitive prevention and intervention programs 

are needed to address the unique challenges and needs of Hispanic adolescents in this border 

region. These programs should account for language barriers, cultural stigma, and the complex 

interplay of acculturation and substance use. 

Mechanisms of Action: Further research is needed to understand the specific mechanisms 

through which benzodiazepine misuse impacts brain development in this population, 

investigating potential interactions with other risk factors, such as genetic predisposition, early 

life adversity, and co-occurring mental health conditions. 

Conclusion 



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Benzodiazepine misuse poses a significant threat to adolescent brain development, and this risk 

is likely magnified for Hispanic youth residing on the Texas-Mexico border due to a complex 

interplay of social, cultural, and environmental factors. While the existing literature provides a 

foundation for understanding the broader impacts of BZDs and adolescent substance use, there is 

a critical need for targeted research to address the unique challenges faced by this vulnerable 

population. Future studies should focus on determining the prevalence of benzodiazepine misuse, 

identifying associated risk factors, assessing neurodevelopmental outcomes, and developing 

culturally appropriate interventions. Only through such research can effective strategies be 

developed to mitigate the harmful effects of benzodiazepine misuse on the brain development of 

Hispanic adolescents in this border region. This review highlights the urgent need for such 

research to inform effective prevention and intervention efforts. 

Acknowledgements: 

Nori Zapata, MSN, RN, Senior Vice President of Education and Career Development, Vanessa 

Vera, MS, Senior Manager of High School and Community Outreach, Anisa Mirza, Intern 

Program Coordinator.  

Funding:  

Funded  by  DHR  Health High School and Community Outreach;    DHR    Health;    Region    

One    ESC GEARUP  College  Ready,  Career  Set!;  Region  One ESC   GEARUP   College   

Now,   Career   Connected; Region One ESC PATHS; Region One ESC Upward Bound  Math  &  

Science;  Benavides  ISD;  and  Jubilee Academy-Brownsville 

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