Protecting vision. Central retinal degeneration is a common cause of vision loss in the elderly. And large-scale French studies have found that fish rich in omega-3 fatty acids can reduce the risk of macular degeneration of the eyes due to aging. Reduce the risk of heart disease. Heart disease remains the leading cause of death in adults in the United States. However, the Harvard School of Public Health has found through observation that consuming about 2 grams of omega-3 fatty acids by eating fish once or twice a week can reduce the risk of sudden cardiac death by 36 percent and reduce the likelihood of death by 17 percent. Boost brain power. “If you’re about to face an important task or exam, it’s recommended that you eat more fish.” A study published in the U.S. journal Public Library of Science – General noted that fish oil rich in omega-3 fatty acids provided as a dietary supplement to a group of 18- to 25-year-olds showed a steady improvement in brain power after six months. For this reason, the researchers believe that omega-3 fatty acids can influence memory storage functions. Prevention of rheumatoid arthritis. A study of 32,000 women at Karolinska Medical School in Sweden showed that consuming 210 mg of omega-3 fatty acids per day, equivalent to eating one fatty fish or four lean fish per week, reduced the risk of developing rheumatoid arthritis by 52%. Promotes development. A diet rich in omega-3 fatty acids is particularly important for pregnant women to promote the development of the fetal brain and nervous system. 2007 research published in the British medical journal The Lancet found that consuming three to four servings of seafood foods including fish (about 340 grams) per week significantly improved the intelligence level of the baby after birth, speech and motor skills. Longer life span. A new study, conducted over 16 years of observation, found that eating fish can indeed help people live longer. Researchers found that consuming the beneficial fatty acids in fish reduced mortality by 27 percent, and that people who ate fish consistently lived two years longer than those who did not. Asthma prevention. Eating more fish during childhood can be effective in preventing asthma. A Dutch study of 7,210 children showed that children who started eating fish within 6 to 12 months of age had a 36 percent lower risk of developing asthma by age 4. Researchers theorize that this may be related to the fact that eating more fish helps fight inflammation. Protects the skin. Fish oil has many benefits for the skin, can regulate oil production, help moisturize. In addition, studies have shown that eating more fish can protect the skin from UV damage and help protect skin collagen, thus preventing skin sagging, wrinkles or sagging. Increase sperm count. Dietary habits are quite important for those who want to get pregnant. The Massachusetts General Hospital Fertility Center found that men who like to eat salmon, mackerel and tuna, among others, had 34 percent more sperm than others. There are many benefits of eating fish, but it is important to eat in a healthy way. The recommendations are as follows: 1. Winter is the best time to eat the warm carp. It is flat and sweet in nature, has the effect of harmonizing with the middle and replenishing the deficiency, warming the stomach to eat, most suitable to eat with tofu, mushrooms, pig’s feet direct stew. It is best to eat it with tofu, mushrooms and pig’s feet. But during the cold and fever and love to grow mouth sores people better eat less. 2, eat as many types of fish as possible. Eel, swordfish and other fatty fish are suitable for baking, when eating the fish can squeeze some lemon juice; carp, chub, chub, grass carp, scallops better flavor after braising; eel fish, black fish, crucian carp, cod, etc. itself tasty, suitable for stewing; Mandarin fish, shad, bass and other high-end fish tender meat, suitable for steaming, to maintain the original flavor; tuna, sea bream, salmon and other seawater fish can be eaten raw, but to Ensure freshness and safety. 3, eat less or do not eat fish head. In 2013, the Nanjing Center for Disease Control and Prevention found that the older the fish, the more mercury accumulates in the fish brain and skin. For safety reasons, it is best to eat less fish head. 4, fish roe is not suitable for the “three high” people. The roe rich in lecithin is high in cholesterol, so it is best to eat less of it. In addition, it should be reminded that, because there is a membrane outside the roe, often “through the intestines”, nutrition is not easily digested and absorbed. 5, carefully choose imported fish. The United States nearly 90% of imported catfish from Vietnam, often using antibiotics, the United States food and water concern to promote the organization experts Marianne Kufferen recommended that it is best to eat farmed catfish; imported cod is best to choose the Pacific cod; American eel is seriously contaminated, if only for taste, it is recommended to choose the Atlantic or Pacific squid; Atlantic halibut also faces serious pollution problems, in comparison, Pacific halibut or tilapia, etc. would be safer.