If you want to find a heated issue between parents, it's the issue of vaccines. And for good reason.
You can probably guess where I stand on the vaccine issue, but I really encourage you to do your own homework. I saw this website last night that lists out vaccine ingredients, and I had to pass it along.
I was truly appalled by some of the ingredients: formaldehyde, antifreeze, and aborted human fetal cells to name a few.
I will be discussing more on this vaccine issue in the future, but for now, check out this site! (By the way, these ingredients are also listed on the CDC's website)
Again, here's the original article: