Levels of iron in the brain could be a warning sign of future Alzheimer’s disease, a new study suggests. High levels of the chemical element have been shown to increase brain toxins and trigger ...

Damage to the brainstem—the brain's 'control center'—is behind long-lasting physical and psychiatric effects of severe COVID-19 infection, a study suggests. Using ultra-high-resolution scanners that ...

For many people who have “recovered” from COVID-19, the illness lingers as brain fog: forgotten appointments, lost words mid-sentence, a mind that feels wrapped in cotton. A growing body of brain ...