The exchanges show how RFK Jr. has failed to update his views on important health issues, even when presented with new science.

Vermont Sen. Bernie Sanders questioned Health Secretary nominee RFK Jr. on vaccine stance, calling responses "troubling" and "problematic."

Kennedy faced questions from the Senate Finance Committee, including from MA Sen. Warren, weighing whether he is fit to be Health Secretary.

If you come out unequivocally — ‘vaccines are safe, it does not cause autism’ that would have an incredible impact,” Sen. Bill Cassidy (R-La.) told the HHS nominee.

Robert F. Kennedy Jr. is one of the most famous of Trump’s nominees, and certainly one of the most contentious. But the first day of his confirmation hearing wasn’t oriented around the kinds of personally agonizing questioning that defined Pete Hegseth’s confirmation process.

Robert F. Kennedy Jr. has built his fortune and reputation on disparaging the government scientists and institutions he's now in line to lead as HHS secretary.

Robert F. Kennedy Jr. faced questions from senators during his confirmation, seeing support from his wife, a Florida native. Who is Cheryl Hines?

Robert F. Kennedy Jr. struggled Wednesday to answer questions about Medicare and Medicaid or to provide details about how he would work to drive down health care costs.

Senators grilled Robert F. Kennedy Jr. on vaccines, abortion and Medicaid in his confirmation hearing to lead HHS. RFK Jr. has another hearing Thursday.

One protester interrupted the hearing shouting "you lie" as RFK Jr told Senators he wasn't anti-vaccine or anti-safety. RFK Jr has a history of making baseless health claims, including that vaccines can cause autism and that Wi-fi technology causes cancer.

Robert F. Kennedy Jr., President Trump's nominee to lead the Department of Health and Human Services, faces Senate confirmation hearings today. What can we expect?

Robert F. Kennedy, Jr.'s history of stoking anxiety about ... that Lyme disease may have been developed as a military bioweapon. Kennedy said he stood behind his claims about Wi-Fi and his description of AIDS. He said he "never believed" Lyme was created ...