Effects of caffeine on individuals with anxiety disorders: an integrative review
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https://doi.org/10.36560/19320262193Palavras-chave:
Caffeine; Symptoms; Anxiety disorders; Panic; DepressionResumo
Caffeine is one of the most widely consumed psychoactive substances worldwide, present in beverages such as coffee, tea, soft drinks, and energy drinks. Its main effect is the stimulation of the central nervous system, promoting increased alertness and reduced fatigue. However, its impacts on mental health, especially in individuals with anxiety disorders (who are predisposed), still raise questions. This study aimed to analyze, through an integrative literature review, the effects of caffeine consumption in individuals with anxiety disorders, comparing them to the effects observed in people without this condition, as well as results with differences in dose, sociocultural and genetic factors. The research was conducted using secondary sources available in the PubMed, SciELO, and Google Scholar databases, considering publications between 2015 and 2025, mainly research and studies. The results pointed to a possible relationship between high caffeine consumption and the worsening of anxiety symptoms, such as irritability, insomnia, tachycardia, and restlessness, suggesting the importance of individualized clinical guidance regarding the use of the substance. The study aims to contribute to the conscious use of caffeine and expand knowledge about its effects in more sensitive populations.
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Accepted 2026-03-06
Published 2026-04-13
