Hair shows banning lead in gas worked
A new analysis of hair samples spanning about 100 years shows big drops in lead levels since 1916.
Link :
https://www.futurity.org/lead-gas-bans-hair-3321732-2/?utm_source=rss&utm_medium=rss&utm_campaign=lead-gas-bans-hair-3321732-2
Link :
https://www.futurity.org/lead-gas-bans-hair-3321732-2/?utm_source=rss&utm_medium=rss&utm_campaign=lead-gas-bans-hair-3321732-2
