The fight on B-12 deficiency doesn’t sound like much to most Americans, but B-12 awareness ended up saving thousands of lives.“Sally Pacholok” is a feature film about the ER nurse who was the whistleblower on the B-12 awareness campaign despite years of harassment and a gag order from her hospital about her raising national awareness.Pacholok wrote the book “Could it Be B12?” in 2012 with her husband Dr.