Fish is one of the nutritious foods and a popular dish in households. Eating fish regularly brings benefits to health. However, in reality, not all types of fish are good for health, no matter how cheap they are. Here are 3 types of fish that you shouldn’t eat regularly.
Salted frozen fish
Salted frozen fish is a common method of food preservation, helping to extend the shelf life of fish and prevent the growth of bacteria. However, consuming salted frozen fish can also have some health risks if not controlled and consumed properly:
– High salt content: Salted fish contains high amounts of salt, which can lead to high blood pressure, increase the risk of cardiovascular disease and stroke, especially for those who have a history of these health issues.
Salted fish is not good for health. Image source: internet
– Risk of dehydration: Consuming food with high salt content can also cause dehydration and put a strain on the kidneys.
– Reduced nutritional quality: The freezing and salting process can reduce some important nutrients in fish, such as vitamin D and omega-3, although the impact is not significant, it is still worth noting.
– Risk of contamination: If not handled and preserved properly, fish can still become a breeding ground for bacteria, leading to the risk of infection when consumed.
– Loss of fresh taste
Tilapia fish
Tilapia fish is a popular freshwater fish worldwide, widely cultured due to its adaptability to the living environment and fast growth rate. However, there are some concerns about consuming tilapia fish, especially when it comes to farming under unfavorable conditions. Here are some reasons why some people choose to avoid eating tilapia fish:
Tilapia fish has a considerable amount of toxins. Image source: internet
Quality of farming environment: Tilapia fish are often raised in crowded and confined conditions, which can lead to high pollution levels from waste and increase the risk of disease transmission in fish. This not only affects the quality of the fish but can also be harmful to consumer health.
Use of chemicals and antibiotics: In order to control diseases and stimulate growth, farmed tilapia fish can be treated with chemicals and antibiotics. Consuming fish containing residues of chemicals and antibiotics can have adverse effects on human health and contribute to antibiotic resistance.
High Omega-6 content: Tilapia fish contains higher levels of Omega-6 fatty acids compared to Omega-3. A diet with a high ratio of Omega-6 to Omega-3 can cause inflammation and is associated with many health issues. However, tilapia fish still contains some amount of Omega-3 and can be considered part of a balanced diet when consumed in moderation.
Toxin content: In some cases, farmed tilapia fish may contain toxins from the water environment, including heavy metals such as mercury and lead, depending on the water quality where they are raised. The level of contamination is lower than some large marine fish but still needs to be considered.
Canned fish
Canned fish is a convenient and popular choice for many families, but like other processed foods, it can have some drawbacks if consumed improperly or excessively. Here are some potential issues when consuming canned fish:
High sodium content: Some types of canned fish are added with salt to extend the shelf life and improve taste. Regularly consuming food with high sodium content can cause high blood pressure and cardiovascular problems.
Canned fish is convenient but not good for health. Image source: internet
Bisphenol A (BPA): Some canned containers may be coated with a non-stick layer containing BPA, a chemical that can affect the endocrine system and cause health issues, including potential effects on child development and reproductive ability. However, many manufacturers have now reduced or eliminated the use of BPA in food packaging.
Heavy metals: Some types of fish, especially large ones like tuna, may contain high levels of mercury. Consuming excessive amounts of canned tuna, especially large ones, can increase the risk of mercury accumulation in the body, which is harmful to the nervous system and particularly dangerous for pregnant women and children.
Nutritional quality: Although canned fish still retains many important nutrients such as protein and omega-3, the processing process can reduce some vitamins and minerals. In addition, some types of canned fish may contain added sugar or preservatives, reducing the overall nutritional value.
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