![Problems with memory loss, difficulty in concentrating and a lack of mental focus are associated with Covid-19. Getty Images](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ZNOLYQFIJJHV7HGH3LK43IROO4.jpg?smart=true&auth=1d6319e8e886f31834a54fbd51165e142c8101421ba4b6c5e119b25006db1cc0&width=400&height=225)
Problems with memory loss, difficulty in concentrating and a lack of mental focus are associated with Covid-19. Getty Images
Problems with memory loss, difficulty in concentrating and a lack of mental focus are associated with Covid-19. Getty Images
Could a vitamin B12 deficiency be causing your brain fog?
Symptoms may be missed because they come on gradually