Politicians keep fighting over how to help Americans pay for their health care. But why is health care so expensive in the first place?

In his new book, "The Price We Pay," Johns Hopkins University surgeon and Prof. Marty Makary details the epidemic of overtreating and overcharging patients.

In this podcast, Makary tells Greg Corombos why doctors often order treatment when none is actually needed. He also burrows down into why patients are stuck with astronomical medical bills without ever knowing the costs before treatment.

Makary explains why ideas like pointing patients towards healthier lifestyles, showing doctors how often they order treatment compared to their peers, and price transparency are among the keys to bringing competition and results back to the health care sector.

Listen to the full podcast here.