ScienceWhy we need salt To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience10/02/2020October 2, 2020Our body needs salt for many things. In particular, sodium ions from salt help create the electrical nerve signals that activate our muscles. And chloride ions play an important digestive role in the stomach. https://p.dw.com/p/3jGH7Advertisement