Before telephone wires were coated in plastic, they were originally protected by a layer of lead. Lead-sheathed cables were largely phased out in the 1950s, but in Portland’s oldest neighborhoods, ...
Consumer Reports found lead in a variety of products, at a time when federal regulators are seeking authority from Congress to combat the problem of heavy metals in foods. By Christina Jewett One ...
Academic achievement among adolescents may be affected by early childhood lead exposure at much lower levels than previously assumed, according to a new study. Just a small climb in blood ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results