sclerosis and even arthritis, potential health risks all from a salty diet you might not have known about. dr. david somati a member of the medical a-team. chief of robotics at mount sinai medical center. if you never pick up the salt shaker, do you still have to worry. >> a good question because 77% of the satellite is hidden in our food and doesn't come straight from the salt shaker, but this is a study coming out of nature this week and it's very important because now all of a sudden salt is going to cause what we call auto immune disease, diabetes type 1, multiple sclerosis and psoriasis and others and we never knew about this. everyone knows about salt and high blood pressure and heart disease and stroke, that's a given, but not causing auto immune disease and this is a serious problem. what it does and what autoimmune disease is taking