The mysterious case of lead

Marie Leiner · 36K views · 2016 · 6:15

Open on YouTube

Environment, agriculture & food systemsother

Why the open web links it

Explores the dangers of lead exposure, its common sources, and health impacts in an educational, accessible format.

Linked by 3 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including ca.gov, ucsf.edu, swcpeh.org.