“Forever chemicals”— perfluoroalkyl and polyfluoroalkyl substances also known as PFAS – are widely used, long-lasting compounds that take a very long time to decompose. They are in products that resist water, stains and heat, and have been improving familiar consumer goods since the 1940s.

Breast cancer runs in Kristy Tubiolo's family. When she was diagnosed in 2016, at the age of 35, it wasn’t exactly a surprise, but it wasn’t expected either.

Aretha Graham is Brooklyn-born tough. At age 50, she looks many years younger and exudes a quiet, Zen-like energy, even though she navigates everyday life with a cluster of noncancerous brain tumors.