Charleston Gazette: Study links C8, changes in puberty age. Teenagers who were exposed to DuPont Co.’s C8 pollution experienced a four- to six-month delay in puberty, according to a new study that adds to the growing concerns about potential health effects of chemicals that have been widely used in nonstick and stain-resistant products. Read more here.

Toronto Globe and Mail: Brain imaging measures effects of lead on development – As children, they swallowed or breathed in high levels of lead. Now they are adults, and sophisticated forms of brain imaging are allowing scientists to see how that early exposure damaged the wiring of their brains in significant, permanent ways. Read more here.

Associated Press: EPA seeks to regulate chemical in water – The Environmental Protection Agency wants to regulate a toxic chemical used in rocket fuel that has contaminated drinking water supplies, reversing a decision made under the Bush administration. . . . Perchlorate has been found in drinking water in at least 35 states at levels high enough to interfere with thyroid function and pose developmental problems in humans, particularly for babies and fetuses. Read more here.