《盐的奥秘》 是迈克尔·麦克纳马拉导演的作品，发行于2020年（加拿大），一部记录片。
讲述了：Pass the Salt is an hour-long investigation into the mysteries of one of our most fundamental elements: salt. It's an exploration that takes us from far beneath the earth's crust, to the inner depths of the human body - a search for the real answers to a mounting debate about the benefits and dangers of sodium chloride (table salt). Pass the Salt uses creative and stylish visua...