In the 1940's and 50's, DDT was a modern pesticide touted to combat malaria. But it was also thought to be such an effective preventative of polio that children were sprayed with it, causing polio-like symptoms such as paralysis. Candace also reveals the disastrous rollout of the original polio vaccine.

It's one of the most controversial vaccines on the market, and Candace brings you key information you need to know to make an informed decision. Plus, is there a connection between autism and the MMR vaccine? What is Japan seeing with the MMR vaccine that the rest of the world isn't? Join Candace as she unpacks the controversy.