A recent study published in the Annals of Neurology by Northwestern Medicine researchers challenges the common assumption that older adults suffer worse long COVID symptoms compared to younger individuals. The study, which focused on neurological symptoms of long-term COVID, found that younger (18-44) and middle-aged (45-64) adults experienced more severe neurological issues on average than older adults (65+). Symptoms reported included headache, numbness, blurred vision, depression, anxiety, insomnia, and cognitive decline. These symptoms persisted in individuals regardless of whether they had mild or severe initial COVID-19 infections.
The research involved 1,300 patients at the Northwestern Medicine Neuro COVID-19 Clinic, who were evaluated between May 2020 and March 2023. Of these patients, 200 had been hospitalized due to severe COVID-19 pneumonia, while the remainder experienced only mild symptoms and did not require hospitalization. This study is significant as it is the first to examine the neurologic symptoms of long COVID across various age groups, aiming to determine how these symptoms differ between younger, middle-aged, and older adults.
Igor Koralnik, MD, the study’s lead researcher, emphasized the continued burden of long COVID despite decreasing COVID-19-related deaths. Long COVID is causing long-lasting alterations to the quality of life, affecting around 30% of COVID patients, even those who were not severely ill at the onset of the virus. These findings have considerable public health implications, as long COVID is becoming a leading cause of disability, especially in younger adults who are still in their prime working years.
Dr. Koralnik also highlighted the economic and societal impact of long COVID, particularly on younger adults who contribute significantly to the workforce and innovation. The study’s findings suggest that the widespread and disproportionate morbidity in this group could have a negative effect on both the economy and healthcare systems. Therefore, addressing the long-term neurological impacts of COVID-19 through appropriate treatment and rehabilitation is critical.
The study underscores the importance of providing long COVID patients of all ages with the necessary support and care to alleviate their symptoms. As the pandemic continues to evolve, understanding the long-term effects of COVID-19 is crucial for improving patient outcomes and reducing the broader societal and economic impact of this ongoing health crisis.