Do not use foods that have too much sodium. Add very little or no salt to the food you make. Baking soda and baking powder have sodium, too. Do not add salt to food at the table. Watch what you eat when you eat out.
Fast foods are often very high in salt, as are many other restaurant foods.
Soy sauce, steak or barbecue sauce, chili sauce, or Worcestershire sauce. Bottled salad dressings. Self-rising flour and biscuit mixes. Canned vegetables, soups, and other packaged foods. Cheeses and buttermilk.