When Robert F. Kennedy Jr. was confirmed as America’s secretary of health and human services, neutral observers might have asked themselves: Would it be possible for a lawyer who had questioned the safety of childhood vaccinations for two decades to look at the available data and reconsider his views?

What do you get when you put an anti-vax conspiracy theorist in charge of the U.S. Health Department? A dangerous crackpot who scares the public into thinking that the measles vaccination causes blindness.

Experts say vitamin A can mitigate measles but does not protect those who are unvaccinated from getting the disease