The agency responsible for policing the American food and drug market issued warning letters

to four companies that are “illegally selling products online that claim to prevent, diagnose, treat, or cure cancer without evidence to support these outcomes.” It said in a statement, “The illegally sold products allegedly contain cannabidiol (CBD), a component of the marijuana plant that is not FDA approved in any drug product for any indication.”

http://www.healthx24.com/fda-cracks-down-on-claims-that-cannabis-can-cure-cancer/