Neurological pathologies, the main global cause of health problems. Alzheimer's, stroke, migraines...

These disorders have jumped by more than half since 1990, now overtaking cardiovascular problems as a cause of poor health. In 2021, 43% of the world's population - or 3.4 billion people - were affected by a neurological disorder, according to a study published Friday March 15. By far, strokes cause the most disability and health problems, losing 160 million years of healthy life.