Millions of people worldwide continue to experience lingering symptoms after COVID-19, a condition known as long COVID. These symptoms can affect people of all ages and often include neurological issues such as “brain fog,” which makes thinking and memory difficult. Because these problems can significantly disrupt daily life, investigators are working to find effective treatments.
Source: https://medicalxpress.com/news/2025-11-trial-vitamin-b3-derivative-people.html
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