Calley Means, a senior adviser to US Secretary of Health Robert F Kennedy Jr. resigned on Thursday, causing a setback to the government's efforts to reform the US food system. Means said in a statement that he has great respect for President Trump and RFK, adding that the “Make America Healthy Again” campaign is still in the first round and has only just begun. Means' departure may be a relief for large food companies that have previously opposed his efforts to establish a federal definition of “ultra-processed food.”

Calley Means, a senior adviser to US Secretary of Health Robert F Kennedy Jr. resigned on Thursday, causing a setback to the government's efforts to reform the US food system. Means said in a statement that he has great respect for President Trump and RFK, adding that the “Make America Healthy Again” campaign is still in the first round and has only just begun. Means' departure may be a relief for large food companies that have previously opposed his efforts to establish a federal definition of “ultra-processed food.”