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الصحة والعلوم الشرق الأوسط
Long COVID's impact on dopamine production
A new study has shown that patients with long-lasting COVID-19 symptoms (long COVID) experience an 18 percent reduction in dopaminergic nerve endings in the brain. This decrease affects cognitive functions and is associated with issues such as reduced motivation, slow movement, and memory decline, and can be detected in brain scans even years after infection. The study analyzed PET images of the brains of 24 patients and 24 healthy individuals, discovering that the loss of dopamine-related nerve endings in various areas led to disturbances in mood, movement, and cognitive performance. The findings are expected to aid in the development of treatments targeting the dopamine system to alleviate long COVID symptoms. Nerve damage indicators could serve as a potential tool for diagnosis, but the study is still limited and requires larger-scale research to confirm the results and explore possible treatment options.
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