The vast majority of Americans support legal medical marijuana, and more than half believe recreational marijuana should be legalized, according to a new poll released by Harris Insights and Analytics of Rochester, NY.

The federal government won’t be able to fire its employees for marijuana use that is legal under state law if a new bipartisan bill is enacted.

What is the impact of marijuana legalization in states that have adopted it? That's what the proponents of a newly filed U.S. House bill are hoping to find out.

Experts say every state will have legal or recreational marijuana rules on the books in next five years.

Doctors in the veterans’ health system say the department’s lack of research has left them without much good advice to give veterans.

Research suggests that as neighboring states, provinces, or countries adopt a policy, the pressure for adoption increases among lagging jurisdictions.

The New York State Health Department is high on the prospects of legal marijuana.