New evidence suggests that eating cold-water fish and other sources of omega-3 fatty acids is effective in protecting brain health and enhancing cognitive performance in midlife.
Cold-Water Fish Are Rich in Omega-3 Fatty Acids
The American Heart Association stated that people should consume at least two servings of cold-water fish per week. Cold-water fish is a kind of fish that can only survive in water with a temperature lower than 20 degrees Celsius (or 78 degrees Fahrenheit). Unlike warm-water fish, cold-water fish need more fat to maintain body temperature, and the unsaturated, healthier fats under their skin act as antifreeze in the water. Therefore, cold-water fish are one of the best sources of omega-3 fatty acids, and the fat a fish contains is perfectly suited for its survival. The colder the water, the better the fat has to be.  …