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.)
By Mayo Clinic Staff. If you're worried about heart disease, eating one to two servings of fish a week could reduce your risk of dying of a heart attack. For many years, the American Heart Association has recommended that people eat fish rich in omega-3 fatty acids at least twice a week. Doctors have long believed that the unsaturated fats in fish, called omega-3 fatty acids, are the nutrients that reduce the risk of dying of heart disease.