Could Blood Lead Screening Play a Role in Stroke Prevention? New Insights from a US National Health Survey

Feb 26, 2026 | News

๐Ÿ“ฐ๐Ÿง ๐Ÿ”ฌ STROKE STUDY HIGHLIGHTS – Association between blood lead levels and stroke: Evidence from a US National Health Survey by Li J., et al.

Should screening for blood lead levels be part of stroke prevention strategies in high-risk individuals?

This study investigated whether blood lead concentration (BLC) is associated with a history of stroke in United States adult population.

Lead is a non-essential metal that can be toxic to human tissues even at low concentrations and is classified as the second most harmful substance. The primary sources of lead contamination encompass paint, water, food, dust, soil, cookware, and leaded gasoline.

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The findings indicated a robust association between higher blood lead concentrations and a history of stroke. The associations persisted in the sensitivity analysis.

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Screening for serum lead concentrations may be regarded as a prophylactic measure for individuals with an elevated risk of stroke, given that lead exposure confers no health benefits.

๐Ÿ“„ Access the full article at: Li J, Li Q, Zhou L. Association between blood lead levels and stroke: Evidence from a US National Health Survey. Medicine (Baltimore). 2026 Jan 23;105(4):e46815. https://journals.lww.com/md-journal/fulltext/2026/01230/association_between_blood_lead_levels_and_stroke_.61.aspx. This is an open-access article under a CC BY 4.0 license.