Ahead of World Bipolar Day on March 30, Midday Edition Wednesday features one woman's personal experience navigating bipolar disorder. The mental health condition affects around 40 million people worldwide, according to the World Health Organization.J.N. Rose is a local writer who described her experience with bipolar disorder, and the impact her diagnosis had on her life. The self-published book is called "So Heavy, I Fell: A Journey Through Wanderland."Guest:J.N. Rose, writer, "So Heavy, I Fell: A Journey Through Wanderland"