A key U.S. Senate committee says that marijuana's current federal classification blocks scientific research on its effects —something that legalization advocates have long argued.

"The Committee is concerned that restrictions associated with Schedule 1 of the Controlled Substance Act effectively limit the amount and type of research that can be conducted on certain Schedule 1 drugs, especially marijuana or its component chemicals and certain synthetic drugs," the Senate Appropriations Committee wrote in a new report under the headline, "Barriers to Research."

Read more here: https://www.forbes.com/sites/tomangell/2018/07/03/senate-committee-slams...