Higher exposures to particulate matter and nitrogen dioxide associated with multimorbidity status in dose-dependent manner

Risk for death, unplanned hospital admission significantly lower for those taking AChEIs only or taking AChEIs and memantine

Female sex and previous mental health disorders, asthma associated with long COVID, regardless of COVID-19 severity

Findings driven by substance-related and addictive disorders, trauma and stressor-related disorders

In interaction analyses, opioid misuse linked to increased odds of having suicide plan, suicide attempt for those with disabilities

Sample sizes, primary end points, interpretations mainly concordant for studies published on medRxiv, then in journals