Banning lead in gas worked. The proof is in our hair
Researchers analyzed samples of Utahns’ hair going back a century to document a 100-fold decrease in lead concentrations.
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Here today, gone tomorrow: How humans lost their body hair
Study compares genetics of humans with other mammals including elephants and walruses that have lost most of their body hair.
Read MoreYour hair knows what you eat and how much your haircut costs
Isotopes in hair reveal connection between diet and socioeconomic status.
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