Here, we explain the facts behind several more of Robert F. Kennedy Jr.’s claims during his two Senate hearings as nominee for Health and Human Services secretary.

What to know from Robert F. Kennedy, Jr.’s hearings before the Senate Finance Committee on Wednesday and the Senate Health, Education, Labor, and Pensions on Thursday.

If approved, Kennedy will control a $1.7 trillion agency that oversees food and hospital inspections, hundreds of health clinics, vaccine recommendations and health insurance for roughly half the country.

If confirmed by the Senate, Kennedy would head the Department of Health and Human Services (HHS), which oversees many of the country’s health agencies, from the Food and Drug Administration (FDA) to the Centers for Disease Control and Prevention (CDC).

Robert F. Kennedy Jr. cleared a key hurdle Tuesday after a Senate panel voted to advance his nomination to be health and human services secretary to the full chamber.