Stream now with the PBS app / Watch Wednesdays, Aug. 6 and 13, 2025 from 8 - 10 p.m. on KPBS 2. The four-part documentary series, reveals a little-known truth: that public health saved your life today and you probably don’t even know it. But while public health makes modern life possible, the work itself is often underfunded, undervalued, and misunderstood.