20 Nov 2017 --- Common salt reduces the number of certain lactic acid bacteria in the gut of mice and humans. This is according to a study published in the journal Nature by Berlin's Max Delbrück Center and Charité, which further notes an impact on immune cells that are partly responsible for autoimmune diseases like multiple sclerosis (MS) and hypertension. Probiotics were also found to ameliorate the symptoms of disease in mice.