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.
The study was carried out by hundreds of researchers led by the US-based Institute for Health Metrics and Evaluation (IHME), which has become a global reference for health statistics.
Lead study author Jaimie Steinmetz of the IHME said the results showed that nervous system conditions are now “the world’s leading cause of overall disease burden”.
Cases of these conditions have soared by 59 percent in the last three decades, she said, with the increase mainly driven by the fact that the world’s population was ageing and growing fast.
The researchers looked at how 37 different neurological conditions affected ill health, disability and premature death across 204 countries and territories from 1990 to 2021.
FTA:...with the increase mainly driven by the fact that the world’s population was ageing and growing fast.
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