What if a childhood danger you never saw or felt quietly rewired your brain-and shaped the mental health of a whole ...

A study comparing lead exposure in Neanderthals, human ancestors and 20th-century humans poses a series of questions for further study.

Leaded gasoline was widely used as car fuel in the US from the 1920s until the 1970s — it was phased out because it was found to be harmful to the environment and human health. It’s taken decades for ...

Exposure to car exhaust from leaded gas is calculated to have lowered the IQ of about half of the U.S. population, according to a study published in the journal Proceedings of the National Academy of ...

(CNN) — Lead shouldn’t be in your food, right? Exposure to the substance has been linked to a wide range of health impacts, including developmental problems, nervous system damage and hearing problems ...

Longmont prides itself on being a community that values families, open space, and clean air. Yet just west of downtown, ...