PsychCentral reports cannabis use is linked to both manic and depressive symptoms in people with Bipolar Disorder. The odds of using cannabis increased when the person was in a good mood. Cannabis use produced an in increase in positive mood, as well as manic symptoms and depressive symptoms, but not all in the same person. Cannabis use is associated with both positive and negative emotional states, but is not being used to self-medicate. To read this article in its entirety, click here.