The scientific community has increasingly recognized the crucial role that sex hormones play in shaping health trajectories, particularly as women transition through various life stages including menopause. Dr. Cabré’s research is pioneering in its focus on how these hormones influence nutritional requirements, body composition, and physiological performance throughout aging. She aims to dissect the molecular and systemic mechanisms that affect muscle maintenance—a key determinant of metabolic health and functional independence—during menopause, a phase characterized by dramatic endocrinological shifts.

Her investigative approach integrates advanced methodologies in human movement science, endocrinology, and nutritional physiology to elucidate how hormone fluctuations alter metabolic rates, fat distribution, and muscle protein synthesis. This work has profound implications for developing personalized lifestyle interventions that can mitigate the adverse effects of aging on women’s health, potentially delaying onset of metabolic disorders such as sarcopenia, osteoporosis, and insulin resistance. The translational nature of her research holds promise for the design of targeted nutritional therapies and exercise regimens tailored to hormonal status.

Dr. Cabré’s professional journey is a testament to her commitment to this niche intersection of science. She completed a Bachelor of Science in Dietetics at the University of Georgia, laying a solid foundation in nutritional science. Her subsequent Master of Science degree in Sports Nutrition and Exercise Physiology further honed her expertise in metabolism and physical performance. Culminating in a Ph.D. in Human Movement Science from The University of North Carolina at Chapel Hill, her academic training equips her with both the technical prowess and holistic perspective necessary for advancing this complex domain.

The Pennington Biomedical Research Center itself stands as a beacon for metabolic research, boasting more than 600 personnel distributed among 44 clinical and research laboratories, alongside 16 specialized core facilities. This infrastructure supports Dr. Cabré’s ambition to bridge basic biological insights with clinical and population-level data. By weaving together cellular mechanisms and societal health outcomes, the center leads global efforts to unravel the multifactorial origins of conditions like obesity, diabetes, cardiovascular diseases, and dementia—which disproportionately affect aging populations.

Recognition of Dr. Cabré’s contributions came swiftly, evidenced by her award as Outstanding Postdoctoral Researcher in 2024 at Pennington Biomedical. This accolade underscores her innovative research methods, impactful findings, and dedication to mentoring the next generation of scientists. Her capacity to inspire culminates not only from her scholarly output but also her role in fostering diversity and equity within the scientific workforce, spotlighting women’s science and early career researchers as critical to the advancement of biomedical discovery.

Central to her lab’s agenda is the detailed examination of menopause’s metabolic impact through a mechanistic understanding of hormone-regulated pathways influencing skeletal muscle. Given that muscle mass and function are paramount for metabolic homeostasis, Dr. Cabré investigates how declining estrogen levels disrupt anabolic signaling cascades, impair mitochondrial function, and exacerbate inflammatory responses, thereby accelerating muscle degradation. These findings could revolutionize the paradigms guiding clinical recommendations for midlife and older women.

Lifestyle interventions form a cornerstone of Dr. Cabré’s translational efforts, as her team explores how diet composition, physical activity, and hormone replacement therapies can synergistically attenuate catabolic processes. They employ longitudinal cohort studies and sophisticated biomarker analyses to quantify changes in muscle fiber size, fat infiltration, and metabolic enzyme activity, providing evidence-based strategies for enhancing healthspan and quality of life during aging.

Her vision extends beyond the laboratory bench; she advocates for integrating sex-specific biological insights into public health policies and clinical practice to address lingering disparities in women’s health outcomes. This commitment resonates with global public health priorities emphasizing precision medicine, where interventions are tailored not only by genetics and environment but also by sex-based physiological distinctions.

Collaborative mentorship and interdisciplinary summits are integral to Dr. Cabré’s role, as she coordinates efforts across molecular biology, endocrinology, nutrition, geriatrics, and exercise science disciplines. Such integrative frameworks accelerate discovery, encouraging innovative hypotheses and comprehensive strategies to dissect and remediate age-related biological decline among women.

Dr. Cabré’s appointment is timely given shifting demographic trends underscoring rapidly aging female populations worldwide. The quest to illuminate biological mechanisms underpinning healthy aging—boosted by her laboratory’s cutting-edge research—has transformative potential to reshape therapeutic landscapes, translate novel biomarkers into clinical diagnostics, and inspire holistic frameworks for nutrition and metabolic health management.

In her own words, Dr. Cabré expresses honor in joining the prestigious faculty at Pennington Biomedical, motivated by the center’s excellence in fostering pioneering research designed to optimize nutrition interventions and improve health outcomes across all life stages. Her work exemplifies a new frontier in biomedical inquiry, marrying scientific rigor with a profound societal impact.

Subject of Research: Female sex hormones, aging, nutrition, skeletal muscle physiology, and menopause-related metabolic health
Article Title: Dr. Hannah Cabré Advances Critical Research on Women’s Health, Aging, and Metabolism at Pennington Biomedical
News Publication Date: May 2024
Web References: https://www.pbrc.edu/research-and-faculty/faculty/cabre-hannah.aspx, https://www.pbrc.edu/news/media/2025/hannah_cabre_qa.aspx, https://www.pbrc.edu/news/media/2026/www.pbrc.edu
Image Credits: Madison Page/PBRC
Keywords: Female sex hormones, aging, menopause, nutrition, skeletal muscle, metabolic health, women’s health, endocrinology, lifestyle interventions, muscle maintenance, sex differences, biomedical research

Androgens are often associated with muscle growth and strength due to their anabolic properties. Testosterone, the most well-known androgen, facilitates protein synthesis, which is a critical process for muscle development. However, the relationship between androgens and body composition extends beyond simple muscle gain; it also encompasses factors such as fat distribution and metabolic rate. This study explores how both global and tissue-specific androgen receptor expression can significantly influence these variables, effectively highlighting a complex interaction that can determine individual fitness outcomes.

The research underscores that the presence of androgen receptors in various tissues, including skeletal muscle and adipose tissue, allows androgens to exert their effects in specific contexts. For instance, enhanced androgen receptor expression in muscle tissues has been linked to improved strength and hypertrophy. In contrast, when androgens influence fat tissues, the outcomes can vary, potentially contributing to differences in fat distribution between males and females. This nuanced understanding reveals the potential for personalized exercise and nutritional strategies to enhance athletic performance based on an individual’s hormonal profile.

Moreover, Barsky and Monks emphasize the implications of their findings for exercise adaptation. The study shows that androgens not only facilitate muscle growth but also play a significant role in the body’s ability to adapt to the stresses of exercise. This hormonal influence can determine how quickly an individual might recover from workouts, how effective a training program will be, and even the long-term sustainability of physical performance. This aspect is particularly vital for athletes who engage in intense training cycles, as optimizing androgen levels could be crucial in minimizing injury and enhancing recovery times.

The impact of androgens on performance extends to endurance sports as well. The research indicates that while strength athletes may primarily benefit from the anabolic effects of androgens, endurance athletes could see improvements in their performance and recovery as well. This dual role highlights the essential nature of androgens in various athletic disciplines, suggesting that these hormones should be considered when developing training protocols and recovery strategies for athletes of all types.

In addition to athletic implications, Barsky and Monks address how age and sex differences can affect androgen levels and receptor expression. The study highlights the well-documented decline in testosterone levels as men age, which can translate to changes in body composition, including increased fat mass and decreased muscle mass. Women, while having lower overall testosterone levels, also experience fluctuations in androgen levels throughout their menstrual cycles, which can impact performance and recovery. Understanding these variations ensures that training and nutrition can be appropriately tailored to maximize outcomes based on hormonal status.

The findings bring to light the potential for interventions that could enhance androgen levels or improve receptor sensitivity. This opens avenues for athletes and trainers looking for edge advantages in competition. Nutritional strategies, such as dietary adjustments or supplement regimens, might play a role in optimizing androgen function. Moreover, understanding how lifestyle factors, including sleep and stress management, affect hormonal health presents further opportunities to enhance performance naturally.

However, the study also invites a broader discussion on the ethical implications of manipulating androgen levels in sports. The debate surrounding performance-enhancing drugs, particularly those related to testosterone, has been a contentious issue in athletic circles. Barsky and Monks’ research highlights the need for responsible and informed discussions around hormone manipulation, acknowledging the thin line between enhancement for performance and the risks associated with doping.

As science continues to unravel the complexities of hormone interactions within the body, this research reinforces the importance of ethical considerations in sports and fitness. Athletes, coaches, and sports organizations face the challenge of promoting fair competition while still recognizing the vast potential of hormonal research to enhance performance and recovery techniques.

In conclusion, Barsky and Monks’ study serves as a pivotal resource in our ongoing quest to understand the relationship between androgens and athletic performance. By considering the individualized nature of hormonal responses, we can move towards more customized approaches to training and recovery. The nuanced findings regarding receptor expression and its effects on body composition and exercise adaptation offer vital insights that could redefine training paradigms for athletes in various disciplines.

As we synthesize this information, it becomes clear that hormone research is not merely academic; it possesses real-world implications that could revolutionize how we approach training in sports. The integration of hormonal profiling in sports science reflects an essential evolution in understanding what drives human performance.

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Barsky, S.T., Monks, D.A. The role of androgens and global and tissue-specific androgen receptor expression on body composition, exercise adaptation, and performance. Biol Sex Differ 16, 28 (2025). https://doi.org/10.1186/s13293-025-00707-6

Image Credits: AI Generated

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