Yes. In fact just last century it wasn't uncommon for a man and his sons to spend 14 hours a day working the fields. Oh, how I yearn for the good ol' days.
After WW2, men with high school degrees were able to get jobs to support a wife and children. Not so anymore. And along with both parents having to work, the 2 parent family is becoming a thing of the past, and a society can't stay healthy that way.