After Natasha Richardson, people still need convincing?
Seriously, I think this has reached the same point as smoking. The evidence is in, no-one but a total nut-job is going to seriously dispute it, and if you haven't given in yet it's because you don't want to. More graphics isn't going to help at this point.
I told my kids, "Someday, you'll have kids of your own." One of them said, "So will you."
-- Rodney Dangerfield.