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Sports BettingGambling Insider · Jun 22

Learning Hormones May Influence Gambling Urge Was ‘Lightbulb’ Moment for UK Woman. New Research Aims to Prove It.

By Robyn McNeilJune 22, 2026

The brief

Researchers in the United Kingdom are pursuing a novel line of inquiry into gambling disorder by examining whether hormonal fluctuations associated with the menstrual cycle influence the intensity of gambling urges. The research initiative was prompted by observations from women in gambling recovery who reported noticing patterns in their cravings and behavioral impulses that appeared to correlate with specific phases of their menstrual cycles. These lived experiences, previously anecdotal, are now becoming the basis for rigorous scientific investigation aimed at understanding the biological mechanisms underlying gambling behavior.

Kiki Marriott, a woman in gambling recovery, described a personal realization that her gambling urges intensified during certain menstrual phases. This observation, initially a private insight, reflects a broader pattern that may characterize the experience of some women with gambling disorder. The recognition that hormonal cycles might modulate gambling impulses opens a new dimension in addiction neuroscience, suggesting that sex-specific biological factors warrant consideration in understanding and treating gambling problems. If validated through research, such findings could inform more personalized and effective intervention strategies.

The scientific basis for investigating hormonal influences on gambling behavior rests on established knowledge about how reproductive hormones affect neural systems involved in reward processing, impulse control, and decision-making. Estrogen and progesterone fluctuate throughout the menstrual cycle and influence dopamine and serotonin signaling, neurotransmitter systems implicated in both gambling behavior and addiction. Research in related fields, such as substance use disorders, has documented menstrual cycle effects on cravings and relapse risk, providing a conceptual framework for similar investigations in gambling disorder.

The implications of this research extend beyond academic interest. If hormonal cycles demonstrably influence gambling urges, treatment providers could incorporate cycle-aware strategies into recovery programs, potentially improving outcomes by timing interventions or adjusting support intensity based on hormonal phases. Additionally, such findings would highlight the importance of sex-specific research in gambling disorder, an area historically dominated by studies that either excluded women or failed to examine sex-differentiated outcomes. For women seeking recovery, understanding that hormonal factors may contribute to urge intensity could reduce self-blame and support more compassionate, biologically informed approaches to treatment.

Original report

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