cause · Public research summary
Stroke: risks, context and evidence
Raised blood pressure, tobacco, diabetes, inactivity and other vascular risks; not every stroke has the same mechanism.
Educational only. Associations do not establish individual risk or diagnosis. Read the original sources and limitations.
Global mortality context
Rank 2 in WHO GHE 2023; estimated deaths: 6,839,699. Data year, not the current year's count. Global · all ages · both sexes.
Risk context
Raised blood pressure, tobacco, diabetes, inactivity and other vascular risks; not every stroke has the same mechanism.
Signs that can occur
Sudden one-sided weakness, facial droop, difficulty speaking or seeing, or a sudden severe headache.
What supports health
Blood-pressure detection and treatment, tobacco avoidance and vascular risk management reduce risk. Prompt emergency care matters when symptoms appear.
Limits
Population mortality is not prevalence or a personal prognosis. Risks and symptoms do not establish a diagnosis. Seek professional care for health concerns.