How unsuperficial of them!

When you hear a Hollywood couple is breaking up, it's natural to assume that the cause is something seedy or career-related or otherwise removed from the realm of mere mortal relationships. Certainly, when Charlie Sheen and Denise Richards announced their breakup, the stories popped up pretty quick that he'd returned to his prostitute-friendly ways. But recently, while researching the topic of vaccines and autism for my About.com site, I turned up a fairly bizarre bunch of articles from British gossip sites and a few other sources indicating that the reason for the breakup is far more mundane: They fought over whether their toddler should have the MMR vaccine. Apparently, the difference of parenting opinion between Richards, who wanted to vaccinate the youngster, and Sheen, who feared it might cause autism, grew so heated that she decided to pack the marriage in, despite the fact that she was pregnant with the couple's second (and clearly soon-to-be-vaccinated) child. I've done enough research to know that the topic of whether vaccines cause autism is heated and divisive, but do couples really break up over it? Hollywood couples?