1.Carson, a retired pediatric neurosurgeon, said that there have been numerous studies and they have not demonstrated any correlation between vaccines and autism. TRUE. He said certain vaccines are very important: those that would prevent death or crippling. He said others don’t fit in that category. FALSE. Although some vaccine-preventable diseases have the potential to do more harm than others,… READ MORE "Fact-Checking Vaccine Statements in the GOP Debate"