Counterintuitive Effect of Sparring on the Brains of MMA Fighters

Sparring among professional mixed martial arts (MMA) practitioners may have both positive and negative effects on the brain, early research suggests. Investigators found sparring, defined as strategically hitting opponents with kicks, punches, and other strikes during practice sessions, is to increased white matter hyperintensities in the brain, pointing to possible vascular damage from repeated head … Read more

Biological Evidence for Anxiety in Long COVID

Editor’s note: Find the latest COVID-19 news and guidance in Medscape’s Coronavirus Resource Center. Investigators have found biochemical evidence of brain injury in patients hospitalized with acute COVID-19 and in those with long COVID. Combined blood biomarker evidence of neuronal damage activation of glial cells, indicating brain inflammation, correlated with symptoms of anxiety in long … Read more