I know I'm always on about this but it's important. Vaccinate your kids.
Here's a little fine tuning on that message: Vaccinate your kids according to the schedule recommended by the American Academy of Pediatrics, the Centers for Disease Control and Prevention, and the American Academy of Family Physicians.
Still need some convincing? Have you read Bob Sears's book and it's raised some questions?
This article from Pediatrics by Paul A. Offit and Charlotte A. Moser should answer those questions. They take Dr. Sears to task for threatening the herd immunity of our entire species by recommending the delay or withhold certain vaccines.
Thanks to Dr. Stephen Barrett from Quackwatch for writing about this in his latest newsletter.