Fish is high in important nutrients. Fish is packed with many nutrients that most people are lacking. This includes high-quality protein, iodine, and various vitamins and minerals. The fatty species are sometimes considered the healthiest. This is because these kind of fishes are higher in fat-based nutrients. This also includes vitamin D, which many people are lacking. Fatty fish also boast omega-3 fatty acids, which are crucial for optimal body and brain function and strongly linked to a reduced risk of many diseases. Fish is considered one of the most heart-healthy foods you can eat. Many large observational studies show that people who eat fish regularly have a lower risk of heart attacks, strokes, and death from heart disease. Omega-3 fatty acids are essential for growth and development. The omega-3 fat docosahexaenoic acid (DHA) is especially important for brain and eye development. Studies also reveal that people who eat fish every week have more gray matter — your brain's major functional tissue — in the parts of the brain that regulate emotion and memory. Depression is currently one of the world's biggest health problems. Studies have found that people who eat fish regularly are much less likely to become depressed. Sleep disorders have become incredibly common worldwide. In a 6-month study in 95 middle-aged men, a meal with salmon 3 times per week led to improvements in both sleep and daily functioning. Omega-3 fatty acids found in fish have also been shown to help treat liver disease. Health professionals often recommend that people eat fish at least once or twice a week. According to a study published in the journal Nutrition and Diabetes, eating fatty fish can actually help prevent autoimmune diseases such as type 1 diabetes. Fish oil is also very healthy but you must consider consulting your doctor before taking any new supplements. Fish is very healthy but anything too much is not good. Fish also should not be consumed in high quantities. If you over-eat fish then it can cause side-effects like diarrhea, low blood pressure, vitamin A toxicity, high blood sugar etc.
