[Comment] Protecting children from ultra-processed foods

The Lancet Series on ultra-processed foods (UPFs) and human health reveals that global proliferation of UPFs has become one of the most urgent yet inadequately addressed threats to human health in the 21st century.1–3 With growing evidence linking UPFs and ultra-processed dietary patterns to child malnutrition and ill health, the question is not whether action is needed, but why so many countries have yet to take meaningful action.