Please stop eating these 5 kinds of fish, which may contain formaldehyde and heavy metals. It is recommended to pass it on to your family.

Fish is rich in nutrients and delicate in taste, making it a food for all ages. Especially fish is rich in unsaturated fatty acids, including DHA.EPA and so on. , which is very helpful for the neurodevelopment of the brain, so children. Elderly people should eat more fish.

Although fish is good, not all fish can be eaten. If you eat the wrong one, it will endanger your health. Many people don't know that there are several types of fish that contain a lot of heavy metals and can't eat them, but many people used to think it was a good thing and bought some every once in a while.

Let me tell you about these heavy metal fish and don't buy them after you know.

1. It's alive and kicking, but it smells bad.

Many people prefer to buy live fish, thinking they are fresher. This is true, but not live fish is necessarily good. If you smell a pungent smell, it means that the living environment of these fish is polluted. Fish contains a lot of heavy metals and even pollutants. Eating such fish is not good or bad. You can't buy it.

2. Sashimi

Sashimi is also called sashimi. Fish is popular and common in Japanese cooking. For example, there are many in sushi, including salmon fillets and tuna fillets. These sashimi are high in protein and other nutrients and can go bad easily. To prevent it from spoiling, formalin is often used to keep it fresh. Formaldehyde is a carcinogen that is very harmful to the human body.

3. Large deep-sea fish .

In the ocean, big fish eat small fish to survive. Big fish are large and live for a long time. By hunting other small fish, large amounts of heavy metals are deposited in larger fish such as tuna, salmon, etc.

4. Wild fish

It is said that wild fish is good, but this is not the case, because the wild environment cannot be controlled artificially and is prone to pollution. These wild fish are likely to live in a polluted environment that not only contains heavy metals, but also parasites, bacteria, etc., which are particularly harmful to the body. The environment for farmed fish is generally clean, and the fish ponds are regularly disinfected and sterilized, which is safer than wild fish.

5. Dead fish

If it is a live fish, the harmful substances in the body can be metabolized through metabolism, but after the fish dies, the harmful substances such as heavy metals and bacteria cannot be discharged and will be deposited in the fish, so the heavy metals in the dead fish will be more than the live fish.

How to choose fresh fish? The fishmongers teach you a few tricks to ensure fresh, delicious and healthy pieces.

1. See if the fish scales are shiny.

Normal fresh fish have shiny scales. If they are not fresh, the scales will gradually lose their luster and become very dull.

2. See if the gills are bright red.

Fresh fish have relatively fast blood circulation, so the gills through which the fish breathe will remain bright red, but when the fish is about to die, its respiration will slow down, the oxygen inhaled will decrease, and the gills will darken red.

3. See if the fish is alive.

If it is a fresh fish, when caught by hand or with a net, the fish will escape quickly and be very energetic. But dying fish aren't touched by hand, so you can't buy them.

How to eat fish? Can do braised fish, sweet and sour fish, steamed fish, kimchi fish, etc., all delicious. Today, I will share with you the practice of [steamed fish] to ensure that it is particularly fresh and tender.