Marijuana plants grow inside the Coy W. Waller Laboratory Complex at the University of Mississippi in Oxford. Last year, the National Institute on Drug Abuse paid the university nearly $847,000 to produce and distribute the drug, which is used mainly for research.

University of Mississippi School of Pharmacy / MCT

Marijuana plants grow inside the Coy W. Waller Laboratory Complex at the University of Mississippi in Oxford. Last year, the National Institute on Drug Abuse paid the university nearly $847,000 to produce and distribute the drug, which is used mainly for research.