Institute for Health Metrics and Evaluation

Surging nerve system disorders now top cause of illness: study

Conditions affecting the nervous system — such as strokes, migraines and dementia — have surged past heart disease to become the leading cause of ill health worldwide, a major new analysis said on Friday.

More than 3.4 billion people — 43 percent of the global population — experienced a neurological condition in 2021, far more than had previously been thought, the analysis found.