sentences:  In September 2010, a study from the University of New Hampshire examined survey data from 1,286 young adults who had attended Miami-Dade County Public Schools in the 1990s and found the association between teenage cannabis use and other illicit drug abuse by young adults was significantly diminished after controlling for other factors, such as unemployment.They found that after young adults reach age 21, the gateway effect subsides entirely.The Drug Enforcement Administration (DEA) has claimed that cannabis leads to increased crime in the pamphlet entitled "Speaking Out Against Drug Legalization"
  
  In 2001, a report by David Boyum and Mark A.R.