These 4 kinds of fish may contain formaldehyde and heavy metals, tell your parents, it is best to buy less at home

In the historical trend of thousands of years in China, fish, as a unique food culture, is deeply loved and sought after by people, especially during festivals, there must be fish on the table, representing more than a year and a symbol of good omen.

Compared to other meat foods, fish is much lighter. If you eat fish properly, you can usually get the protein, unsaturated fatty acids, etc. your body needs to stay healthy. So, what are the benefits of eating fish regularly?

01

First of all, we must understand the five benefits of eating fish on the human body

1. Prevent cardiovascular disease

Fish is low in fat and rich in unsaturated fatty acids, especially omega-3 fatty acids. Research finds, supplements, supplements. Omega-3 polyunsaturated fatty acids can reduce triglycerides, avoid platelet aggregation, prevent thrombosis, and effectively prevent cardiovascular and cerebrovascular diseases such as stroke, coronary heart disease, and atherosclerosis.

2. Slow down aging

Fish is a practiced and recognized food for young people because of its high protein content of 25%-30%. And unsaturated fatty acids are very rich, which is conducive to cleaning and softening blood vessels, lowering blood lipids, and delaying aging. Therefore, beauty-loving women should eat fish and teeth at least once a week.

3. Brain Puzzle

Fish contains polyunsaturated fatty acids DHA and EPA known as "brain gold", which are the highest in seafood, fish and shellfish. Among them, "brain gold" DHA is an important nutrient for the brain and cranial nerves. Brain development is very beneficial.

4. Prevent Asthma

The unsaturated fatty acids contained in fresh fish can prevent or reduce the production of inflammatory mediators in the human body, and the attack of asthma is closely related to the release of inflammatory mediators. In addition, unsaturated fatty acids also have a certain effect of reducing airway inflammation and help prevent the occurrence of asthma symptoms.

5. Promotes development

Fish is rich in protein. Protein is the carrier of human life. It has balanced nutrition, regulates water balance in the body, improves immunity, and can effectively help children, children and adolescents grow and develop. This is one of the reasons why we eat fish when we are sick or have wounds, because fish can also help wounds recover and heal.

02

Please stop eating these four kinds of fish, which may contain formaldehyde and heavy metals, fishmonger: found

1. Large deep-sea fish

Many people eat large carnivorous fish in the deep sea which is tastier and tastier, without any hormones, and the body will eat healthier. In fact, there are more and more industries now, and some industrial water enters the deep sea, and these deep-sea fish live in this water for a long time, and it contains a lot of mercury and lead.

If you encounter this carnivorous fish in the deep sea, it is best not to buy it. If you regularly eat these fish, which contain mercury, gold and heavy elements, your chances of developing diseases greatly increase.

2. Salted fish

Salted fish should be a pickled food that many people like to eat, especially people from Chongqing, Sichuan and other places. However, studies have shown that idle fish contains a large amount of dimethyl nitrite, which will be converted into dimethyl nitrosamine with strong carcinogenicity after entering the human body.

Salted fish is a preserved food. A large amount of edible salt is added in the production process. Eating too much can easily lead to increased blood pressure and a burden on the kidneys. Especially patients with hypertension, nephritis and urinary system diseases must eat less salted fish. so as not to aggravate the condition.

3. Sashimi

In China, there are not many people who eat sashimi. Some people even think that this method is particularly delicious and can be said to be authentic, so it is also sought after by many young people.

But this way of eating fish has certain risks, because it may contain a lot of parasites, I often eat sashimi, and the parasites may accumulate in the body and cause harm to the human body, and at the same time cause cell necrosis or cancer.

4. The fish is too big or too small

The size of the fish varies according to the growing environment. When buying fish, be careful not to buy fish that are too big or too small. Some people think that big fish is delicious.

Too big may also be a hormone that promotes overgrowth in the growing environment. Eating this hormone is harmful to the body. Fish that is too small is still in the mature stage, not only tastes bad, but also has low nutritional value, formaldehyde and heavy metal content. Eating this kind of fish regularly will increase Gastrointestinal burden and induce gastrointestinal cancer.

03

Four Rules for Eating Fish

1. Steamed fish is the healthiest

There are many ways to cook fish, such as deep-frying, sweet and sour, deep-frying, etc. Among them, steaming is the healthiest, because the low cooking temperature ensures that the protein and fat in the fish will not be destroyed.

In addition to steaming, the stewed soup is also good, especially the "fish head stewed tofu" after a long time of stewing, the fish head is rich in collagen, and calcium is more easily absorbed by the body.

2. Do not eat fish on an empty stomach

The vast majority of fish themselves are rich in purines. If you eat too much on an empty stomach, but not enough carbohydrates to break down purines, the acid-base balance of the human body will be unbalanced, which will easily induce gout or aggravate the condition of gout patients.

If you eat too much fish on an empty stomach and eat too much animal protein, it will lead to acid-base balance disorders in the human body, which will not only increase the risk of diabetes, cardiovascular disease, and gout, but also accelerate the loss of calcium, leading to osteoporosis.

3. Don't eat it alive

Most people think that the fresher the fish, the better, so they like to eat it now, which is actually a misunderstanding. If you eat it now, the toxic substances in the fish often do not have time to completely eliminate, and the parasites and bacteria on the fish are not completely dead. These residual toxins are likely to cause harm to the body.

In addition, fish protein is not completely broken down, lacks nutrients, and does not taste the best. It is recommended that after buying live fish to go home, you can raise them in clean water for a day or two before killing them. It is best to soak the fish in water for about an hour to volatilize the remaining toxins in the fish and reduce the harm of toxic substances to the body.

4. Eating fish gallbladder is easy to be poisoned

Fish gallbladder is a blind Chinese medicine used to treat red eyes and gallbladder pain, throat paralysis, acne and other diseases. It is said that fish gallbladder can clear heat and detoxify, improve eyesight and relieve cough, so there are always people eager to try it. Experts point out that fish bile contains strong toxins, is heat-resistant and will not be destroyed by alcohol, so whether it is cooked, swallowed or drunk, it will be poisoned.

Fish gall poisoning has rapid onset, dangerous condition, high mortality, mild nausea, vomiting, diarrhea, etc. Serious diseases such as untimely rescue can lead to renal failure and even death. The degree of poisoning of patients is generally related to the amount of fish bile, so the size of swallowed fish bile determines the severity of poisoning symptoms.