Have you ever heard of 'Heavy Metal Poisoning'? The name may sound a little scary, right? But it's something we all need to be aware of, because this condition can affect us without us even realizing it. Simply put, it's when certain metals that are harmful to our bodies enter our bodies in the form of tiny particles that are invisible to the eye, accumulate over time, and damage our cells. This can disrupt the functioning of our body's vital organs and even cause serious illnesses.
What are these heavy metals? Why are they toxic to us?
Think about it, there are some metals that are naturally present in our environment, in the earth. Some of these are not good for our bodies at all. When very small particles of these metals, like dust, enter our bodies, they bind to the cells of our bodies and do not allow those cells to function properly. It is as if the little workers working in our bodies are bothering us. This is when various symptoms start to appear. If left untreated, they can sometimes be life-threatening.
The main types of heavy metals that can often cause poisoning are:
- Lead: This can often enter our bodies from old water pipes (especially in old houses), some types of batteries, some types of paint (especially old paint), gasoline (leaded gasoline used to be available, but is rare now), and some construction materials.
- Mercury: You've probably seen that shiny substance in mercury thermometers. That's mercury. It can also be found in some light bulbs, dental amalgam "silver" fillings, batteries, seafood (especially large fish), and some skin disinfectants.
- Arsenic: Arsenic may be found in some skin creams, herbicides, insecticides, fungicides, paints, glass, contaminated water, some seafood, and algae.
- Cadmium: This is mainly found in cigarette smoke. It is also found in some metal plating and batteries.
- Thallium: This may be contained in rodenticides, insecticides, and some fireworks.
How do these heavy metals enter our bodies?
We are exposed to these metals in small amounts every day. However, poisoning occurs when these metals enter our bodies in large quantities . There are several ways this can happen:
- Consuming too much food containing this metal: For example, regularly eating large sea fish that contain mercury.
- Drinking water from water systems with old metal pipes: These can add metals like lead to the water.
- Working with these metals as a job: For example, in a battery factory, in a paint shop, in a welding shop, or in a place where agrochemicals are handled, this risk is higher for those who work without protective equipment.
- Taking more than the prescribed dose of medications or supplements containing high levels of metallic elements.
- Using products containing high levels of metals (such as paints, pesticides) without personal protective equipment.
These metals enter the body as microscopic particles, so we cannot see them with our eyes. There are three main ways they enter:
1. Absorbing into your skin: Some metals can be absorbed into the body through the surface of the skin.
2. Breathing in or inhaling: When we breathe out, tiny metal particles in the air enter the body through the lungs.
3. Eating or drinking - ingesting: When you eat or drink food containing metals, they enter the body with it.
Who is more likely to develop this?
This condition can occur if someone is exposed to these heavy metals, that is, if they are ingested. People who are particularly at risk include:
- People who drink water from old metal (especially lead) pipes.
- People who work with metal (e.g. factory workers, welders, painters).
- People who use more than the recommended amount of medications or nutritional supplements containing metals.
- People who live in environments with high levels of air or water pollution.
- People who frequently eat foods high in metals (such as certain types of fish).
- People who eat things that are not good to eat and contain metal (e.g. old paint chips) (especially young children who may put these things in their mouths).
This risk is especially high for young children! Because their bodies are still developing and they are very sensitive to the harmful effects of these metals, young children are more likely to develop heavy metal poisoning. Therefore, they need to be especially careful.
How common is this condition?
There are no exact statistics on how common this is. But in countries like America, it is said that this situation is now very low. The reason is that people are aware of this and have taken steps to remove such harmful metals from their homes. However, in countries like ours, this risk may still exist due to some old infrastructure, environmental pollution from factories, and chemicals used in agriculture.
What happens to the body when heavy metal poisoning occurs? What are the symptoms?
Exposure to these heavy metals is very dangerous to our health. Although we use metals in our daily lives, some heavy metals are very toxic. Because those metal particles damage the cells in our body or interfere with the normal functioning of the cells.
Our bodies also need small amounts of metals like iron, copper, and zinc. They help our organs function properly. However, if these toxic heavy metals accumulate in excess in the body, they can start to damage vital organs like our brain, liver, and kidneys.
What are the symptoms?
These symptoms can vary depending on the type of metal and the amount ingested (exposure level). Some common symptoms include:
- Abdominal pain.
- Chills or a low body temperature.
- Dehydration - Loss of water in the body.
- Diarrhea.
- Feeling weak, tired.
- Nausea or vomiting.
- A scratchy feeling in your throat.
- Numbness or prickly sensation in your hands and feet.
These are the more serious, potentially life-threatening symptoms:
- Abnormal heartbeat (arrhythmia).
- Anemia.
- Brain damage and memory loss.
- Difficulty breathing.
- Kidney damage.
- Liver damage.
- Miscarriage - If a pregnant mother.
- Increased risk of developing cancer.
Important: If you experience these serious symptoms, especially if you think you may have been exposed to a heavy metal, you should go to a hospital emergency department immediately!
What is the reason? Why is this happening?
Simply put, the reason is that these heavy metals accumulate inside our bodies. This accumulation occurs after we are exposed to these metals. Once inside the body, these metals can enter our blood or tissues and spread from head to toe.
These heavy metals compete with important components inside our cells, such as enzymes and proteins. That is, they don't allow those components to do their job properly. It's like they're just harassing them. So, when our organs can't do their job properly, the symptoms mentioned earlier appear.
How does a doctor diagnose this?
In fact, it can be a little difficult for a doctor to immediately diagnose heavy metal poisoning. Because the symptoms can be similar to those of other diseases. Therefore, if you know that you have been exposed to a toxic metal, you should definitely tell your doctor .
A doctor will examine you (`physical exam`) and may do several tests, such as:
- Heavy metal blood test: This checks whether these metals are present in the blood and how much.
- Complete blood count (`CBC`): Checks the number of cells in the blood.
- Electrocardiogram (ECG): Checks the functioning of the heart.
- Imaging tests such as X-rays.
- Kidney function tests.
- Liver function studies.
- Urine protein test.
What does a heavy metal blood test look for?
This test is also called a `heavy metals panel`. A sample of your blood is taken and checked for the following metals. The main tests are:
- Lead
- Mercury
- Arsenic
- Cadmium
Sometimes other metals, such as copper, zinc, aluminum, and thallium, are also tested. The results of this test can tell you if you have been exposed to a toxic metal and how much of it is in your body.
How to treat?
The treatment depends on the type of metal that has accumulated in your body. The main goal is to remove these toxic metals from the body. There are several possible treatment methods:
- Giving medications called chelating agents: These medications work by binding to toxic metals in the body and expelling them through urine.
- Gastric lavage: This can be done if the metal has not been in the body for a long time.
- Hemodialysis if the kidneys are failing.
- Other medications to treat symptoms.
There is still no effective treatment for removing some metals, such as cadmium, from the body. Research is still ongoing.
What are the best things to eat and drink when you have heavy metal poisoning?
If you have heavy metal poisoning, you should avoid eating foods and drinks that contain metals, especially seafood (especially large fish). If you suspect that your local water supply may contain these metals, drink filtered or bottled water instead of drinking tap water.
More information about chelating agents for heavy metal poisoning
There are several types of medications called `Chelating agents`. Examples:
- Dimercaprol
- Dimercaptosuccinic acid (Dimercaptosuccinic acid - `succimer`)
- Ethylenediaminetetraacetic acid (EDTA)
- Penicillamine
This medicine is often given to people with serious poisoning. It is given as an ``IV'' into a vein. This medicine not only removes harmful metals from the body, but it can also sometimes remove good metals and minerals that our body needs. Therefore, a doctor will monitor you carefully while you are receiving this treatment.
Important: These medications called `chelating agents` are not very good for people with heart disease and kidney failure.
How quickly will I recover after treatment?
How quickly you recover depends on how much metal you have to remove from your body. After starting treatment, some symptoms may improve within a few hours. However, in some cases, treatment may need to continue for months. This is especially true for people with organ damage and severe symptoms.
How do you avoid this? (Prevention)
The best way to avoid heavy metal poisoning is to minimize your exposure to these metals as much as possible. There are several things you can do to do this:
- If you are working with heavy metals like this, be sure to wear personal protective equipment (PPE). That means things like a mask and gloves.
- If you have a metal spill or leak like this at your home or workplace, contact the relevant departments, such as the Environmental Protection Authority, to clean it up.
- Limit your intake of fish (large sea fish) that may contain metals (especially mercury).
- Ask your local health authorities, homeowner, or inspector to find out if your home's old water pipes, paint, or other items contain these harmful metals.
- Wash your hands thoroughly before eating.
- Read the labels of the products you buy to see if they contain these metals. Be especially careful with baby food.
If you live in a place where the environment is highly polluted, or where the drinking water is not very safe, you may be at risk of developing heavy metal poisoning again if those environmental conditions do not improve.
What should you expect if you have heavy metal poisoning? (Prognosis/Expectation)
The best part is that when these toxic metals are removed from the body, a good recovery is often possible. If the disease is diagnosed early and treatment is started quickly, life-threatening symptoms can be avoided. However, if left untreated, irreversible damage can occur, such as brain damage, kidney and liver failure.
Your doctor will closely monitor your symptoms and treatment. They may also perform blood and urine tests several times to make sure the toxic metals are being properly removed from your body.
When should I see a doctor?
If you have symptoms of heavy metal poisoning, especially if you know you have been exposed to a heavy metal, see a doctor immediately. Or, call a poison control center.
If you have any of the serious symptoms mentioned above, go to a hospital emergency department immediately.
What questions should you ask the doctor?
When you go to see a doctor, you can ask questions like these:
- What are the side effects of the treatment you recommend?
- How long will it take for these heavy metals to completely leave my body?
- What should I do to avoid this kind of poisoning again?
Finally, something to remember (Take-Home Message)
Heavy Metal Poisoning is a serious condition. It occurs when metals such as Lead and Mercury enter the body. This is no different from listening to too much "heavy metal" (rock and roll) music! If you think you have been exposed to such metals and are experiencing symptoms, seek medical advice immediately. If you identify this type of metal quickly and remove it from your body, you can save yourself from serious damage to your life. Your health is worth it!
` Heavy Metal Poisoning, Lead, Mercury, Arsenic, Cadmium, Metal Poisoning, Symptoms, Treatment
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