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While a tremendous amount of research has been done on the causes of breast cancer, an exact breakdown by percentages or some such measure is still not completely accurate. Hormone levels and those levels related to age are factors. Diet and heredity are also among the most important indicators of breast cancer probability.

The hormones in question are estrogen and progesterone. Any levels significantly different from the average of the females at the age the woman is, represents an increase in probability of getting breast cancer. This includes age factors for the beginning age of menstruation as well as the ending age. If a girl begins menstruation at an early age, or a woman past middle age has not reached menopause, cancer risk increases.

Because of this connection, hormone therapy after menopause is not always a recommended practice – especially if there are is a family history with links to breast cancer.

The dietary aspect is also under scrutiny, but all indicators are that obesity and/or a diet that is high in percentage of calories consumed as fat are both positively linked to higher breast cancer probability. There are also indications that excessive alcohol usage is a prominent factor.

Whether breast cancer is genetic is really two questions. One is whether family genetics are a major factor, and the other is the genetic cause of recurrence in the actual patient. Concerning the latter, a woman who previously had breast cancer that was successfully removed still has a very significantly higher risk of getting it again. An operationally removed tumor in early stages represents the best chance of reducing future risk. Chemotherapy and radiation are not as effective, since the cancerous stem cells are never destroyed. Stem cells are the special cells that do the multiplying and replacement of old cells. So if cancerous stem cells, even in small quantities are still present, their genetic code will be replicated in some of the cells with which the body replaces old cells.

Family genetic factors are definitely involved, although most researchers believe that genetic inheritance is not the primary cause of cancer. It’s a matter of risk, but a small enough percentage of the population carries the faulty gene code that causes the disease. It is now believed that about 5 to 10% of breast cancers are caused by inherited genetic mutations. There is definitely an increased risk for an individual whose mother or sister has gotten breast cancer, especially if this has occurred at an early age (before menopause).

Researches have identified two particular genes that are direct causes of breast cancer. Also, the presence of oncogenes (a general cancer causing mutation) can result in the development of breast cancer, as well as every other form of cancer that can afflict us.

About the Author:

Article Source: ArticlesBase.com – Is Breast Cancer Genetic?

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They are describing steps in the cell cycle and mitosis.

Do a lookup of mitosis on wikipedia.

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Two things can cause cancer, external factors such as carcinogens and genes.

Carcinogens are any chemicals or radiation that actually get into our body and damages the DNA in our cells. Once DNA is damaged it can do a number of things

1) Activate an oncogene: These genes make the cell become immortal and excessively replicate and possibly even evade the immune system
2) Deactivate a surpressor gene: Genes that keep the cell in check such as repair mechanisms and suicidal mechanism. Once the cell is damaged, the cell would attempt to repair itself. If it cannot then it will self-destruct (process known as apoptosis). If these genes are damaged then it can survive and cause damage.

The mutated cancer cell then grows and disrupts healthy tissue hence causing death. Also there are many oncogenes and tumour surpressing genes so there are many genetic dieseases associated with cancer depending on what genes are affected and the genetic makeup of each individual.

There is one type of breast cancer that is curable that is caused by estrogen. The breast cancer cell responds through the hormone of estrogen and continually replicates in response to it. A drug known as Herceptin binds to estrogen receptors of the cancer cell and does two things

1) Block estrogen from binding to it thus not allowing the cell to replicate
2) Signals the cancer cell to be destroyed because herceptin is an antibody to the cancer cell

Herceptin has now moved up to be the 1st line of treatment for breast cancer in Canada.

I hope this helps, email me if you got questions.

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At first, I was a lil put-off, cuz i don’t really like cartoons. But my eyes lit up the moment I saw that cute little kid. It reminded of my nephews back home. Not just them, but I love kids in general. Their innocence, fragileness just takes me to a different world. I fast forwarded half of it cuz it was in different languages (russian i’m guessing) but that moody bit was funny lol. I do get angry and dramatic sometimes when people criticise me. If i were to add something in that clip, i’d suggest something about being misunderstood. A lot times, what happens is we put up a cold fake front when in fact we’re melting inside. It’s just something us cancerians do to protect ourselves when we’re in a new situation. But we’re totally harmless.

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Dr. Ryke Geerd Hamer has done considerable research on the subject, some details may be found on his site:

http://www.newmedicine.ca/

See also:

http://www.henrydreher.com/pages/Bk%20Detail/typec_det.html

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It was going to cost me about $3000 because my insurance doesn’t cover genetic testing. I’m in the southeast United States.

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The immune system is made up of a network of cells, tissues, and organs that work together to protect the body. Immune systems appear even in the most structurally-simple forms of life, with bacteria using a unique defense mechanism, called the restriction modification system to protect themselves from viral pathogens, called bacteriophages. Immune system disorders occur when the immune response is inappropriate, excessive, or lacking. Fortunately for most of us, the immune system is constantly on call to do battle with bugs that could put us out of commission.

The immune system has a series of dual natures, the most important of which is self/non-self recognition. Each cell in our body has an antigen that tells the immune system that it is part of us and should not be eliminated. It is through antigens that the immune system knows which cells to attack and which to leave alone. Sometimes the process breaks down and the immune system attacks self-cells. This is the case of autoimmune diseases like multiple sclerosis, systemic lupus erythematosus, and some forms of arthritis and diabetes.

The innate immune system is the dominant system of host defense in most organisms. The innate immune system comprises the cells and mechanisms that defend the host from infection by other organisms, in a non-specific manner. This means that the cells of the innate system recognize, and respond to, pathogens in a generic way, but unlike the adaptive immune system, it does not confer long-lasting or protective immunity to the host. Innate immune defenses are non-specific, meaning these systems respond to pathogens in a generic way. Natural killer cells, or NK cells, are a component of the innate immune system.

Both innate and adaptive immunity depend on the ability of the immune system to distinguish between self and non-self molecules. Helper T cells regulate both the innate and adaptive immune responses and help determine which types of immune responses the body will make to a particular pathogen. Adaptive immune responses are actually reactions of the immune system to structures on the surface of the invading organism called antigens. The immune system is enhanced by sleep and rest, and is impaired by stress.

One of the drawbacks of chemotherapy treatment for cancer, for example, is that it not only attacks cancer cells, but other fast-growing, healthy cells, including those found in the bone marrow and other parts of the immune system. In cancer cells, genetic changes cause changes in the cell-surface antigens such that the person’s immune system (hopefully) no longer recognizes them as “self” and destroys them. Boosting the immune system has been shown to be therapeutically valuable in treating a wide variety of cancers, chronic viral infections and other illnesses. Some cells of the immune system can recognize cancer cells as abnormal and kill them. But some new treatments aim to use the immune system to fight cancer.

Another important role of the immune system is to identify and eliminate tumors. To the immune system, these antigens appear foreign, and their presence causes immune cells to attack the transformed tumor cells. The main response of the immune system to tumors is to destroy the abnormal cells using killer T cells, sometimes with the assistance of helper T cells. Clearly, some tumors evade the immune system and go on to become cancers. However, if the immune system is stressed and not functioning properly, a cancer cell may multiply before the immune system has a chance to kill it.

The immune system is complex, intricate and interesting. Protect the immune system and you will live a long healthy life. To understand the power of the immune system, all that you have to do is look at what happens to anything once it dies. That sounds gross, but it does show you something very important about your immune system. Although the immune system is extremely complex, its basic strategy is simple: to recognize the enemy, mobilize forces, and attack. Your immune system is under assault from herbicides, pesticides and food additives, and also from the immense amount of radiation that is part of our everyday life today. Protect the immune system and you will live a long healthy life.

About the Author:

Jonathan Bell is a natural cancer prevention and treatment specialist with years of experience in alternative health methods. He has done various reports and consultations and continues his effort to educate people with the good news that we can live free.

http://www.apricotpower-info.com

Article Source: ArticlesBase.com – A Healthy Immune System Equals a Healthy You

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