In 1967, 50% of American men had been arrested. Since then, arrests made in connection with domestic violence and illegal drugs have pushed the number to 60%, estimates Alfred Blumstein, a criminologist at Carnegie Mellon University. The annual number of arrests for possession of marijuana more than tripled to 1.8 million from 1980 to 2007, according to the U.S. Department of Justice.
Save your eyes. Take breaks.