This picture taken on March 16, 2017 shows legal cannabis plants growing under eavy light in the greenhouse of Switzerland's cannabis producer KannaSwiss in Koelliken. The company procudes high cannabidiol content cannabis with THC (psychoactive component) content below the Swiss legal limit. KannaSwiss sell medicinal oil and flowers to smoke. | Fabrice Coffrini

Cannabis Compound May Restore Learning and Memory in People With Schizophrenia

A new study shows that cannabidiol, known as CBD, improves mental functioning in rats impaired by a condition analogous to schizophrenia in humans.