Dumb and not-so-dumb

Mathias Kiwanuka is smarter than Ben Roethlisberger.

How do I know this?

In June 2006, Roethlisberger was injured in a motorcycle accident. He went over his handlebars and hit — head-first — into the windshield of a car. He was not wearing a helmet.

According to Wikipedia, police sources said “Roethlisberger suffered fractures to the jaw and right sinus cavity, as well as a nine-inch laceration to the back of the head, the loss of two teeth, and several chipped teeth. His facial injuries were severe enough that witnesses on the scene did not immediately recognize him, even after he identified himself as ‘Ben.’ ”

Yet after the accident, he continued to ride — sometimes, despite pledges to the contrary — sans helmet.

New York Giants defensive end Mathias Kiwanuka wasn’t even in an accident and has decided to stop riding — period. Watching his brother get seriously injured was enough.

Benedict Kiwanuka reportedly broke several bones, suffered internal injuries and there were doubts for two days about his survival.

"You go through something like that and you realize how much of a gift life is and how short it can be," Kiwanuka said. "(You) just try to make better decisions and for me, in the position I was in watching that and knowing what I have left to do, not in just football but on this Earth, it's enough to wake you up and realize there are better ways to have fun."

Kiwanuka is smarter than Roethlisberger — which, admittedly, isn't saying much.