It's being billed as a sensitive look at the causes of dementia, misinformation surrounding the disease, and the individual and personal experiences of people touched by it. "This is Dementia” will premiere at FilmBar in Phoenix, Arizona Thursday and on Netflix and other media platforms May 1. The new documentary will examine the experiences of one man as a dementia educator, academic researcher and grandson of a dementia sufferer. Audiences will be able to hear from someone