When President Donald Trump named Robert F. Kennedy Jr. as his choice to lead the US Department of Health and Human Services, one group of health researchers was cautiously optimistic that their cause would finally have a champion at the highest levels of government: those focused on food and nutrition.

Instead, Hall wrote, "I experienced censorship in the reporting of our research because of agency concerns that it did not appear to fully support preconceived narratives of my agency's leadership about ultra-processed food addiction.