A new study suggests exposure to PFAS “forever chemicals” early in life may affect bone development during adolescence, with stronger effects seen in girls.

Researchers tested 43 hair extension products and found 169 different chemicals, including dozens that have been linked to cancer, hormone disruption, developmental problems and immune disorders.

A new study finds a chemical commonly used in dry cleaning and household products may triple the risk of liver scarring, a condition that can lead to organ failure or death.

In a new study, nitrate levels well below the EPA limit for drinking water were associated with an increased risk of premature birth and low-birthweight babies.

Prenatal exposure to PFAS or “forever chemicals” is associated with an increased risk for high blood pressure later in childhood, especially among boys, according to researchers.