Vitamin A and Measles: What the data show (and how to talk about it)

RFK Jr. and a new form of germ theory denialism

Last week, Secretary Kennedy appeared on national news, linking the recent measles outbreak to poor nutrition and health and emphasizing the role of vitamin A in preventing measles-related deaths.

Did he pull this out of thin air? Not entirely—there are kernels of truth in his claims. However, as he often does, he left out critical context. And when fals…