What work environment is prone to heavy metal poisoning?

I think it's a welder or something.

The main reason why heavy metals can cause human poisoning is because they are relatively toxic and easy to accumulate in the human body and cause damage to the human body.

The mechanism of action of heavy metals in the human body is complex, but most heavy metals will bind to proteins, enzymes, DNA, etc. in the human body, thereby interfering with the normal physiological and metabolic processes of the human body, resulting in poisoning.

For example, lead and mercury can accumulate in the human body and cause damage to the nervous system, cardiovascular system, immune system, etc. Heavy metals such as cadmium and chromium can cause kidney damage and diseases such as cancer.

In addition, different heavy metals affect the human body in different ways and degrees, and some heavy metals have a cumulative effect on the human body, that is, even if the amount of each exposure is small, the accumulation over a long period of time can lead to poisoning. Therefore, in order to protect your health, you should try to avoid exposure to heavy metals and maintain good hygiene and eating habits.

Heavy metals in various chemical states or chemical forms will retain, accumulate and migrate after entering the environment or ecosystem, causing harm. For example, the heavy metals discharged with wastewater, even if the concentration is small, can accumulate in algae and sediment, and be adsorbed by the body surface of fish and shellfish, resulting in food chain concentration, thus causing public pollution.

For example, Minamata disease in Japan is caused by the presence of mercury in the wastewater discharged by the caustic soda manufacturing industry, which is turned into organic mercury by biological action; Another example is the pain disease, which is caused by cadmium emitted by the zinc smelting industry and the cadmium electroplating industry.

The lead emitted by automobile exhaust enters the environment through atmospheric diffusion and other processes, resulting in a significant increase in the concentration of lead on the surface at present, resulting in an increase of about 100 times in the absorption of lead in modern humans compared with primitive humans, which damages human health. Heavy metals are extremely harmful to the human body.

Heavy metals generally exist in nature in natural concentrations, but due to the increasing mining, smelting, processing and commercial manufacturing activities of heavy metals, many heavy metals such as lead, mercury, cadmium, cobalt, etc. enter the atmosphere, water and soil, causing serious environmental pollution.

Cobalt, nickel, manganese, cadmium, mercury, tungsten, molybdenum, gold, silver, etc. Despite manganese, copper,

Heavy metals such as zinc are trace elements needed for life activities, but most heavy metals such as mercury

Lead, cadmium, etc. are not necessary for life activities, and all heavy metals above a certain concentration are toxic to the human body.

For example, the clinical manifestations of mercury poisoning include headache, dizziness, fatigue, and fever.

Oral and gastrointestinal symptoms include red, swollen and sore gums, erosion and bleeding, and loose teeth

Gingival groove discharge, foul smell in the mouth, nausea, vomiting, loss of appetite, abdominal pain, diarrhea.

**Erythematous maculopapular rash may appear on contact, with more distribution on the extremities and head and face.

A small number of patients may have renal damage, and a few severe patients may have acute interstitial pneumonia manifestations such as cough, chest pain, dyspnea, and cyanosis.

Heavy metal poisoning will coagulate the protein in the body, you can see from the chemistry book of the third year of high school, if you are slightly poisoned, you will drink a lot of milk, the protein in the milk will react with heavy metals, and the heavy metals in environmental pollution mainly refer to mercury (mercury), cadmium, lead,

Chromium and metal-like arsenic are biologically toxic heavy elements. Heavy metals cannot be biodegraded, but can be enriched thousands of times by the biomagnification of the food chain and finally enter the human body.

Heavy metals can interact strongly with proteins and enzymes in the human body, making them inactive, and may also accumulate in some organs of the human body, causing chronic poisoning.

Heavy metals are discharged into rivers, lakes or oceans or into the soil without treatment for some reason, making these rivers, lakes, oceans and soils polluted and they cannot be biodegraded. Fish or shellfish are eaten by humans if they accumulate heavy metals, or heavy metals are eaten by rice

When wheat and other crops are absorbed and eaten by humans, heavy metals enter the human body and cause heavy metal poisoning, ranging from strange diseases (Minamata disease, bone pain, etc.) to death. Therefore, we should not overeat seafood, and cook it thoroughly before each meal to avoid eating bacteria.

Generally, symptoms such as nausea, abdominal pain, and vomiting will occur, and if you feel unwell, it is best to go to the hospital as soon as possible to check and diagnose the diagnosis. Seafood is susceptible to heavy metal contamination, so eat less in the future and cook the seafood thoroughly when eating to avoid eating bacteria.

Metals with a density of more than 5 are collectively called heavy metals, such as gold, silver, copper, lead, zinc, nickel, cobalt, cadmium, chromium and mercury and other 45 kinds. In terms of environmental pollution, heavy metals mainly refer to heavy metals with significant biological toxicity such as mercury, cadmium, lead, chromium and arsenic, as well as general heavy metals with certain toxicity such as zinc, copper, cobalt, nickel, tin, etc. At present, mercury, cadmium, chromium, etc., which have attracted the most attention.

When heavy metals are discharged with wastewater, even in small concentrations, they can be hazardous. Environmental pollution caused by heavy metals is called heavy metal pollution.

The characteristics of heavy metal pollution are manifested in the following aspects:

1) Some heavy metals in water can be converted into more toxic metal compounds under the action of microorganisms, such as the methylation of mercury is a typical example;

2) Heavy metals ingested by organisms from the environment can be enriched tens of millions of times in higher organisms through the biomagnification of the food chain, and then enter the human body through food, accumulate in some organs of the human body, cause chronic poisoning, and endanger human health;

3) As long as there are trace amounts of heavy metals in natural water, the toxicity range of heavy metals is about 1-10 mg l, and the toxic mass concentration range of more toxic metals such as mercury and cadmium is between 0 0 l and 0 001 mg l.

Heavy metal pollution can sometimes cause great harm For example, public diseases such as Minamata disease (mercury pollution) and bone pain disease (cadmium pollution) in Japan are caused by heavy metal pollution, so heavy metal pollution should be strictly prevented.

High temperature, soluble heavy metal salts, formaldehyde, alcohol, radiation, etc., can destroy the structure of proteins, causing proteins to lose their physiological functions and denature

Therefore, the answer is: when proteins encounter heavy metal salts, formaldehyde and other chemicals, they will undergo chemical changes and lose their original physiological functions Therefore, heavy metal salts and formaldehyde can poison people

No, because heavy metal ions can cause irreversible denaturation of proteins, while light metals will not be so strong, but light metals are estimated to be poisoned if they eat too much.

It is that metals exist in the human body in the form of excessive ions, interfering with the normal physiological activities of the human body.

If the lead content is too high, you can go to the hospital for a check-up.

Because heavy metals can irreversibly change the structure of proteins, the structural change function of proteins will be lost (enzymes in the body cannot catalyze chemical reactions, carriers on the surface of cell membranes cannot transport nutrients and excrete metabolic wastes, and myosin and actin cannot complete muscle contraction ......).So the cells in the body can't get nutrients, get rid of waste, can't produce energy, the cell structure collapses and the function is lost, and the human body can't do it.

Heavy metals refer to metals with a relative atomic mass greater than 65, so from the periodic table, metals after copper are all heavy metals.

Examples of heavy metal poisoning are: mercury poisoning, lead poisoning, etc.

It must be soluble, otherwise it cannot enter the bloodstream. For example, barium in a barium meal is a heavy metal, but barium sulfate is insoluble in water, so you will not be poisoned by heavy metals from a barium meal.