A new report summarizes what we know about the impacts of marijuana use, as more states have legalized the drug for both medical and recreational purposes.
January 1, 2011|
By Carrie Arnold Master Collaborator Stoma on a tobacco leaf Brian Sullivan / Getty images When University of California, Riverside, botanist Sean Cutler figured out how the hormone abscisic acid (ABA) helps plants survive drought, the discovery felt more like a burden than a triumph. His finding was in jeopardy of languishing unpublished because previous research on the hormone was tainted by suspect results and retracted papers. In the 1980s, scientis