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- Bidirectional Association between Physical Activity and Dopamine Across Adulthood—A Systematic ReviewPublication . Marques, Adilson; Marconcin, Priscila; Werneck, André O.; Ferrari, Gerson; Gouveia, Élvio R.; Kliegel, Matthias; Peralta, Miguel; Ihle, AndreasPhysical activity (PA) may influence the secretion of neurotransmitters and thereby have positive consequences for an individual’s vulnerability (i.e., reducing anxiety and depressive symp toms). This systematic review aims to analyse the potential bidirectional effects of exercise on dopamine from young adulthood to old age. The article search was conducted in PubMed, Scopus, and Web of Science in December 2020. The inclusion criteria were longitudinal and experimental study design; outcomes included dopamine and exercise; effect of exercise on dopamine and vice versa; adults; and articles published in English, Portuguese, or Spanish. Fifteen articles were included in the review. We observed robust findings concerning the potential effects of PA on dopamine, which notably seem to be observable across a wide range of participants characteristics (including age and sex), a variety of PA characteristics, and a broad set of methods to analyse dopamine. By contrast, regarding the potential effects of dopamine on PA, findings were mixed across studies. Thus, there are robust effects of physical exercise on dopamine. These findings further strengthen the idea that innovative approaches could include PA interventions for treating and preventing mental disorders. Therefore, it seems that PA is a potential alternative to deal with mental health issues.
- The association between physical activity and mental health during the first year of the COVID-19 pandemic: a systematic reviewPublication . Marconcin, Priscila; Werneck, André O.; Peralta, Miguel; Ihle, Andreas; Gouveia, Élvio R.; Ferrari, Gerson; Sarmento, Hugo; Marques, AdilsonIntroduction: The Coronavirus disease-19 (COVID-19) pandemic afected countries worldwide and has changed peoples’ lives. A reduction in physical activity and increased mental health problems were observed, mainly in the frst year of the COVID-19 pandemic. Thus, this systematic review aims to examine the association between physical activ ity and mental health during the frst year of the COVID-19 pandemic. Methods: In July 2021, a search was applied to PubMed, Scopus, and Web of Science. Eligibility criteria included cross-sectional, prospective, and longitudinal study designs and studies published in English; outcomes included physical activity and mental health (e.g., depressive symptoms, anxiety, positive and negative efects, well-being). Results: Thirty-one studies were included in this review. Overall, the studies suggested that higher physical activity is associated with higher well-being, quality of life as well as lower depressive symptoms, anxiety, and stress, indepen dently of age. There was no consensus for the optimal physical activity level for mitigating negative mental symp toms, neither for the frequency nor for the type of physical activity. Women were more vulnerable to mental health changes and men were more susceptive to physical activity changes. Conclusion: Physical activity has been a good and efective choice to mitigate the negative efects of the COVID-19 pandemic on mental health during the frst year of the COVID-19 pandemic. Public health policies should alert for possibilities to increase physical activity during the stay-at-home order in many countries worldwide.