Vaccines

Health care experts say Democratic presidential candidate Marianne Williamson's views on vaccines, antidepressants and other treatments could hurt public health efforts and stigmatize people with disabilities. A first-time candidate, the self-help author has faced criticism...

Even as U.S. measles cases hit record numbers, a grassroots movement is determined to keep states from requiring kids to get their shots

Family members say RFK Jr. has 'helped to spread dangerous misinformation'

He said it's 'causing outbreaks of preventable diseases'

Watch a TIME editor explain

A school with a large anti-vaccine community has counted 36 cases of chickenpox