More generally, desalination may also refer to the removal of salts and minerals, as in soil desalination, which also happens to be a major issue for agricultural production. Salt water is desalinated to produce fresh water suitable for human consumption or irrigation. One potential by-product of desalination is salt.
And 6 Fish to Avoid. You probably already know that you're supposed to be eating fish twice a week. Fish are a lean, healthy source of protein -- and the oily kinds, such as salmon, tuna, sardines, etc., deliver those heart- and brain-healthy omega-3 fats you've probably also heard you should be getting in your diet. (Here are seven more of the healthiest foods you should be eating but probably aren't.)
How much fish do you want to eat? How much fish is safe to eat is a question that is on the minds of many people, both people who are interested in eating fish for its Omega 3 content as well as people who just like eating fish. It would seem a silly question really. How much fish should I eat?