Chevron doctrine ruling a ‘gut-punch’ for US health and environment – experts

Decision that overturned convention of deference to federal agencies could upend regulations on tobacco, drugs and medical bills

A supreme court decision that overturned the Chevron doctrine" could upend regulations on everything from tobacco to pharmaceuticals to surprise medical bills, experts told the Guardian.

The 40-year-old legal framework, the Chevron doctrine, once directed courts to defer to the expertise of federal agencies, such as the US Food and Drug Administration (FDA).