Regular cannabis users can develop severe symptoms like vomiting, cramps

As of May, 24 U.S. states and Washington, D.C., have legalized recreational Cannabis. As more people in the U.S. use higher-potency products, more attention is being given to the potential health downsides of long-term marijuana use. Josh Code, assistant editor of the Free Press and CBS News medical contributor Dr. Céline Gounder discuss.