If the Senate confirms Robert F. Kennedy Jr. — a vaccine skeptic — to lead the Department of Health and Human Services, he would control an influential group of federal vaccine advisors.

What would happen if fluoride were removed from drinking water? Scientists weigh in.

Opponents of RFK Jr.'s nomination to head the Department of Health and Human Services were joined on Friday by an unlikely figure: former Indiana governor and U.S. Vice President Mike Pence.