Bill Nye says he was forced to block HHS Secretary Robert F. Kennedy Jr. after being bombarded with texts pushing debunked claims that vaccines cause autism.

The health secretary’s approach to the condition gives the impression that two decades of research simply never happened.

The U.S. Health and Human Services Secretary made half-true or false statements about fluoride in public drinking water, ...

The American Academy of Pediatrics and the Society for Maternal-Fetal Medicine, among other medical groups, joined the ...