By his 2nd birthday, Michael’s blood lead levels were 6 times over the threshold to trigger CDC case management recommendations. He lived in one of 37 million US homes coated in poisonous lead paint. The CDC will soon lower its childhood blood lead level threshold once…

Nearly 7 months after the EPA gave $100 million to Flint, Michigan, to replace its lead pipes (in addition to $270 million in state funds), not much has changed.   This Bloomberg photo essay puts faces and names to the ongoing quagmire that is Flint’s water crisis. Some 8,…

The lead and zinc mine and smelter in Kabwe, Zambia, closed in 1994, but millions of tons of slag and tailings remain in a heap known as Black Mountain. Freelance photographer Larry Price documents adults and children who scavenge at the abandoned mine, looking for lead…

Responding to concerns about excessive lead dust exposure at shooting ranges, the US Department of Defense has put in place a more restrictive blood lead limit, down to 20 micrograms of lead per deciliter of blood.   A new review of 36 studies of lead exposure at shooting…

When all the systems in place to test for lead failed in Flint, Michigan, pediatrician Mona Hanna-Attisha stepped in.   She gathered and analyzed evidence proving elevated blood lead levels in Flint’s kids. When the government disputed her results, she refused to back…

“We can’t just keep running from one fire to the next, whether the current most pressing threat is Zika, Ebola, Legionnaire’s disease or lead in the water supply,” writes medical journalist Celine Gounder. The pattern: From cuts to TB control programs in the 1970s and…

In part II of this Q&A with Ellen Silbergeld, PhD, professor of Environmental Health Sciences at the Johns Hopkins Bloomberg School of Public Health, looks beyond Flint and explains why lead is still in use, and tells the story of how breaking down a communication…

To skirt tighter US environmental regulations designed to protect workers handling lead, Americans are sending car batteries to Mexico for recycling. Batteries exported to Mexico have shot up more than 400% in the last 10 years, officials estimate, processed by workers who…

Childhood lead exposure permanently alters critical brain functions—changes that may help to explain high crime rates in lead-ravaged neighborhoods decades after the initial exposure. A growing body of research indicates that a complete picture of the damages from…