generate questions: In the U.S., a push for revisions of the FD&C Act emerged from Congressional hearings led by Senator Estes Kefauver of Tennessee in 1959. The hearings covered a wide range of policy issues, including advertising abuses, questionable efficacy of drugs, and the need for greater regulation of the industry. While momentum for new legislation temporarily flagged under extended debate, a new tragedy emerged that underscored the need for more comprehensive regulation and provided the driving force for the passage of new laws.
What act needed provisions? {sep_token} Who led the congressional hearings? {sep_token} What were the major issues that needed to be addressed? {sep_token} What caused a need for more regulation? {sep_token} When did this push occur? {sep_token} Congressional hearings emerged addressing revisions to what act? {sep_token} Who led the Congressional hearings in 1959? {sep_token} Did the US Congress call for more or less regulation of pharmaceuticals?