ArticleFrontiers in sports and active living2026
Cognitive performance recovery following marijuana cessation in NCAA division I athletes.
Article in Frontiers in sports and active living, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Cannabis use is increasingly common among collegiate athletes. While acute tetrahydrocannabinol (THC) effects are well documented, the chronic impact on game-speed cognition, defined as the ability to perceive, decide, and act within sub-second windows, remains poorly quantified. The current study examined whether chronic THC use degrades football specific game-speed cognition and reaction times. Methods: Eighteen NCAA Division I football players who tested positive for THC completed the S2 Cognition Football Battery at baseline and again after 12 months of verified abstinence. The battery yields nine primary cognitive processes (Perception Speed, Search Efficiency, Tracking Capacity, Visual Learning, Instinctive Learning, Decision Complexity, Impulse Control, Distraction Control, Improvisation) and an overall S2 Composite, plus two secondary summary measures; reaction speed and decision accuracy. Paired Results: At baseline, chronic users showed approximately 20% slower reaction speed relative to their own post-abstinence values [t(17) = -5.84, Conclusion: Chronic THC use imposes a measurable performance cost by slowing speeded decision-making and degrading attention and control processes that support play execution; these effects are partially reversible with abstinence. Findings provide an objective, performance-based framework for athlete education.
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