Harmful chemicals found in nearly half of US tap water: Study

Nearly half of the tap water in the United States likely contains toxic chemicals linked to cancer and other health issues, according to a new study from the U.S. Geological Survey.

The synthetic compounds known as "forever chemicals," or PFAS, seep into drinking water across the country, from large metropolitan areas to rural towns.

The chemicals have been linked to issues with growth and development, obesity, reproduction, and the immune system, as well as increased risk of preeclampsia, and kidney and testicular cancer.

They are known as "forever chemicals" because they do not degrade in the...