How do kids get cancer?

Question

I mean there are thousands of like 8 year olds and 10 year olds with cancer. How did they get cancer?

Answer 1

As you probably already know, a lot of the activity of a cell is controlled by information contained in the cell's DNA. One important thing that's contained there is instructions on when to grow and when not to grow. In a multicellular organism like a person, each type of tissue has to grow only to a certain size and shape and then stop. When the part of the DNA that cells the cell when to stop growing gets damaged, the cell will keep growing and dividing indefinitely. Sometimes, that cell can acquire damage to another part of its DNA and forget where it is and is not allowed to grow, either. These cells not only grow out of control, but they can also break of and grow in different parts of the body. That's cancer. Eventually, the cancer cells push the healthy cells out of the way and take over, and vital organs start to shut down because there aren't enough healthy cells left for things to keep working. So basically, cancer occurs because of an accumulation of certain mutations (changes) in the DNA of a single cell somewhere in the body.

Cancer is common among the elderly because, quite simply, their cells have had a really long time to accumulate mutations. Mutations occur every so often, and the chances of the particular mutations that result in cancer occurring are much higher if there are more mutations in general.

When cancer occurs in young kids, it's usually because they had a genetic predisposition to it. Everyone DNA is unique, and sometimes those differences can make it more likely that healthy cells will turn into cancer cells. If the child already has a few of the mutations that cause cancer, he might not get sick until he has a few more, but it won't take as long for them to accumulate. Another thing that could happen is that the child has a defect somewhere in the machinery that normally repairs damaged DNA. That would cause mutations to accumulate much faster, so it would be a lot more likely that he'd get cancer a lot younger. There are some types of cancer that kids can actually be born with, because there were mutations already in the DNA of their very first cell that caused some portion of their cells to develop into undifferentiated lumps (i.e. tumors) instead of proper tissues.

Of course, there's also always an element of random chance. Mutations are random, and some part of it is just plain old bad luck because the mutation happens to be in just the wrong place so that it causes cancer.

Answer 2

How Do Kids Get Cancer

Answer 3

Could be they get it the same way an 80 year old does or maybe they get it the way an 80 year old did 75 years earlier. The problem with cancer is that anyone can get it or can they? Why does one brother get it when his younger brother doesn't? Why did my mother smoke cigarettes for almost all her life and didn't get cancer when her son did? Does the mother pass it on to her kids? Are kids still forming when their bodies get invaded by the cancer molecules and the unable to fight it off the not yet formed immune system fails. This is why a 1 billion dollar reward needs to be offered for a cure. Then maybe the big drug companies and labs around the world will really start to find the ultimate cure.

Answer 4

Cancer is a renegade system of growth that originates within a patient's biosystem, more commonly known as the human body. There are many different types of cancers, but all share one hallmark characteristic: unchecked growth that progresses toward limitless expansion.

Cancer is actually a group of many related diseases that all have to do with cells. Cancer happens when cells that are not normal grow and spread very fast. Normal body cells grow and divide and know to stop growing. Over time, they also die. Unlike these normal cells, cancer cells just continue to grow and divide out of control and don't die.

Doctors aren't sure why some people get cancer and others don't, including kids. However, far more older people than kids get cancer.

These sites should help.

Answer 5

When I was young cancer was not all that common. They tell us they didnt know to diagnose it but that is crap. Once you visit an oncology (cancer) ward you will know that smell forever.
There is much more pollution.
Food is a shadow of what it was. A good book about this is "Nutrition and Physical Degeneration" by Weston Price DDS.
A companion book from the animal side of it is "Pottenger's Cats" by Frances Pottenger MD.
I am sympathetic to the ph theory of cancer. Otto Warburg got the Nobel Prize years ago for identifying the metabolic cycle of a cancer cell. Unlike normal cells it doesnt use oxygen and instead ferments sugar and forms lactic acid. The theory is the cell is too acidic for the calcium ion to cross the cell membrane thus no oxgen transport. A study was done with mice and they were given a bit of mammary tumor surgically and then one group was given cesium chloride to alkalinise the body. The controls were dying on the eighth day (mammary tumor is the fastest of all tumors) but the mice given cesium had their tumors reduced 90%. The overall cure rate as I recall was 98%. However this therapy will never get approved as you cant patent a simple binary salt like CsCl and thus no company is going to fund the tests which run over a million dollars to get a drug approved. If we had genuine public health this would be a job for them but they are just a regulatory body. Oh well.
BTW the cesium neutralizes the lactic acid so the terrible pain of end stage cancer is neutralized within 24 hours. It would be worth administering for that alone but money talks and so this therapy is not available.
BTW the acid body ph is due to acidic products in excess. Sugar for example produces acidic products. Vegetables are alkaline.

Answer 6

There are many risk factors for cancer and having one of them or even two or more does not mean that cancer will result. Why? perhaps a strong immune system, good diet, healthy environment, good relationships may counter these risk factors. The best advice is to live the healthiest life that you can.

Answer 7

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Answer 8

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Answer 9

That's an exceedingly broad question.

Every cancer known to medicine has a "how". Some of them we know. Some of them we don't know.

Cancer is unregulated, uncontrolled growth and multiplication of a given cell type. Virtually every type of cell in your body ranging from the cells that create your bone to the cells that create the myelin sheath of your nerves can become cancerous. The nerve cells themselves can become cancerous! Some cell types, i.e. those that replicate a lot are more prone. Skin cells are a good example. They replicate a lot, because our skin needs to repair itself constantly. Hence, cancers of the epithelium are common. Other cell types, i.e. those that do not replicate, are less prone. Cardiac cells do not replicate in adults, hence cardiac muscle cancers are exceedingly rare. I'm sure there are some variants to this rule. (I'm a dentist, not an oncologist.)

Cell growth and replication is a process governed by our cells' DNA. All the cells in our body, with the exception of erythrocytes, platelets, and some immune cells, have identical DNA. What makes a nerve cell different from a muscle cell is the protein milieu that keeps some genes within the DNA active and others inactive. A muscle cell's regulatory proteins constantly use the genes that tell the cell how to make the proteins actin and myosin (proteins that allow a muscle cell to apply force), whereas a nerve cell probably uses these genes rarely, if at all. In contrast, a nerve cell uses parts of the DNA responsible for telling the cell how to produce proteins that keep as much potassium inside the cell and as much sodium outside the cell as possible, whereas a muscle cell uses that DNA much less. You can see where I'm going with this. Cells have the same DNA. It's how they use the DNA that makes them different from eachother.

The DNA does a lot more than tell the cells how and when to make certain proteins. It also tells the cell when to divide and replicate. There are genes that regulate this process. And sometimes some of these genes are activated and inactivated by proteins made by cell itself (from DNA inside the cell). And, there are genes within the DNA that instruct the cell how and when to make these proteins. It's an exquisitely complex process that differs among various cell types. Just try to imagine if one of the links along the chain of the regulatory mechanism goes awry, and the cell is now inadvertently stimulated to replicate inappropriately. Ultimately, cancer is caused by some sort of genetic mutation that causes inappropriate replication. These regulatory genes in their normal form are called "proto-oncogenes." That means they are genes that, when mutated, can "transform" a cell (i.e. make it cancerous). In their mutated states, these genes are called "oncogenes."

Cells that replicate create identical daughter cells. So, a mutated cell, i.e. one whose proto-oncogene has been mutated into an oncogene, is going to divide into two identically mutated cells that will grow and replicate inappropriately.

What can stimulate such mutation? Radiation is one (such as the UV radiation that can cause skin cancer). Certain chemicals are known carcinogens. Viruses can even cause mutations that induce cancer. I won't get into the details, but I will say that there are so many ways that DNA can be mutated that it is freightening. I took an entire course in graduate school on this very topic. Some of these mutations are harmless (in fact, most of us are walking around with mutations in our DNA that are of no harm. Why? Because much of our DNA is what we called "nonsense" sequences...DNA sequences with no meaning whatsoever. Not every mutation affects something important to the regulatory mechanisms of our cells.

As you can see, on a molecular level, there are many ways a cell can become cancerous. Multiply that by the wide variety of cells in our body, and you can see how the anwer to your question would require a stack of books ten miles high.

What has always amazed me is how our bodies, despite being bombarded with radiation and chemicals, manages to keep the vast majority of us from getting cancer. In case you haven't guessed, our cells have mechanisms for scanning our DNA and repairing mutations. It's a miraculous system, but unfortunately, it's not foolproof.

Answer 10

its a gene.. we all carry the gene that activates cancer but most are lucky and it never gets activated

this is what the doctors at children's in neworleans told us.. and earlier this year the news did a special the hospital thinks it found a cure for 1 type of cancer