Simple Screening Tool Assesses Cognitive Impairment Post-COVID

Editor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center. The covered study in this summary was published on medRxiv.org as a preprint and has not yet been peer reviewed. Key Takeaway Patients with post-COVID syndrome have a long-term cognitive impairment that can last for more than 3 months and can … Read more

Long-Term Cannabis Use Linked to Dementia Risk Factors

Long-term cannabis use is linked to hippocampal atrophy and poorer cognitive function in midlife — known risk factors for dementia. A large prospective, longitudinal study showed long-term cannabis users had an intelligence quotient (IQ) decline from age 18 to midlife (mean 5.5 IQ points), poorer learning and processing speed compared to childhood, and self-reported memory … Read more

Has the Anti-Benzodiazepine Backlash Gone Too Far?

When benzodiazepines were first introduced, they were greeted with enthusiasm. Librium came first, in 1960, followed by Valium in 1962, and they were seen as an improvement over barbiturates for the treatment of anxiety, insomnia, and seizures. From 1968 to 1982, Valium (diazepam) was the No. 1-selling US pharmaceutical: 2.3 billion tablets of Valium were … Read more

Post-COVID Cognitive, EEG Changes Persist Up to 10 Months

Editor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center. Patients who recover from COVID-19 show interrelated cognitive, EEG, and MRI abnormalities 2 months after hospital discharge — with some “disurbances” persisting as long as 10 months later, new research suggests. In a cohort of patients admitted to the emergency department … Read more