why does lipid peroxidation take place in our body and what impact does it have on causing cancer.?
137802
Oxidants (oxidative stress) can cause lipid peroxidation.  Oxidative stress is a natural byproduct of the use of oxygen by biological systems.  It is also caused by various biological processes such as inflammation, immune reactions, and detoxification processes.  Unsaturated fattys acids (especially in cell membranes) are very susceptible to damage by oxidative stress.  This damage results in lipid peroxidation (literally - 'fat oxidation').  Antioxidants (especially vitamin E) work to prevent excessive levels of oxidative stress in cell membranes and therefore, help prevent lipid peroxidation. Lipid peroxides can lead to damage to DNA.  DNA damage can contribute to the risk of developing various cancers.
686938
causes cancer\ni guess
814347
Usually electrons are paired up, but sometimes you will get unpaired (single) electrons sticking out of a molecule.\n\nThese things are highly unstable and reactive because electrons like to be in pairs. Because it involves taking/losing of electrons, it is a redox reaction. When these get in our bodies they do all sorts of awful things like give you cancer :) That's why we like to eat antioxidants.
103725
like the other cancer prevention, try as possible to avoid carcinogenic factors. Carcinogenic factors are the factors which induces cancer inside the normal human body. Those factors, such as all well-barbaqued foods, or any kind of junk food are also carcinogenic factors.
556349
Cancer is not just one disease, but a large group of almost 100 diseases. Its two main characteristics are uncontrolled growth of the cells in the human body and the ability of these cells to migrate from the original site and spread to distant sites. If the spread is not controlled, cancer can result in death.\n\n\n  Description\n\n\n\nOne out of every four deaths in the United States is from cancer. It is second only to heart disease as a cause of death in the states. About 1.2 million Americans are diagnosed with cancer annually; more than 500,000 die of cancer annually.\n\n\nCancer can attack anyone. Since the occurrence of cancer increases as individuals age, most of the cases are seen in adults, middle-aged or older. Sixty percent of all cancers are diagnosed in people who are older than 65 years of age. The most common cancers are skin cancer, lung cancer, colon cancer, breast cancer (in women), and prostate cancer (in men). In addition, cancer of the kidneys, ovaries, uterus, pancreas, bladder, rectum, and blood and lymph node cancer (leukemias and lymphomas) are also included among the 12 major cancers that affect most Americans.\n\n\nCancer, by definition, is a disease of the genes. A gene is a small part of DNA, which is the master molecule of the cell. Genes make "proteins," which are the ultimate workhorses of the cells. It is these proteins that allow our bodies to carry out all the many processes that permit us to breathe, think, move, etc.\n\n\nThroughout people's lives, the cells in their bodies are growing, dividing, and replacing themselves. Many genes produce proteins that are involved in controlling the processes of cell growth and division. An alteration (mutation) to the DNA molecule can disrupt the genes and produce faulty proteins. This causes the cell to become abnormal and lose its restraints on growth. The abnormal cell begins to divide uncontrollably and eventually forms a new growth known as a "tumor" or neoplasm (medical term for cancer meaning "new growth").\n\n\nIn a healthy individual, the immune system can recognize the neoplastic cells and destroy them before they get a chance to divide. However, some mutant cells may escape immune detection and survive to become tumors or cancers.\n\n\nTumors are of two types, benign or malignant. A benign tumor is not considered cancer. It is slow growing, does not spread or invade surrounding tissue, and once it is removed, doesn't usually recur. A malignant tumor, on the other hand, is cancer. It invades surrounding tissue and spreads to other parts of the body. If the cancer cells have spread to the surrounding tissues, even after the malignant tumor is removed, it generally recurs.\n\n\nA majority of cancers are caused by changes in the cell's DNA because of damage due to the environment. Environmental factors that are responsible for causing the initial mutation in the DNA are called carcinogens, and there are many types.\n\n\nThere are some cancers that have a genetic basis. In other words, an individual could inherit faulty DNA from his parents, which could predispose him to getting cancer. While there is scientific evidence that both factors (environmental and genetic) play a role, less than 10% of all cancers are purely hereditary. Cancers that are known to have a hereditary link are breast cancer, colon cancer, ovarian cancer, and uterine cancer. Besides genes, certain physiological traits could be inherited and could contribute to cancers. For example, inheriting fair skin makes a person more likely to develop skin cancer, but only if he or she also has prolonged exposure to intensive sunlight.\n\n\nThere are several different types of cancers:\n\n\nCarcinomas are cancers that arise in the epithelium (the layer of cells covering the body's surface and lining the internal organs and various glands). Ninety percent of human cancers fall into this category. Carcinomas can be subdivided into two types: a
102216
Definitly...cancer is promoted by stress factors. Because stress produces superoxides in body and they are deleterious in some form or other and cause cellular injury, triggring some unknown carcinogenec events.\n\nStress induced gastritis...gastroesophageal reflux...barret's esophagus....oesophageal adenocarcinoma.\n\nStress induced breast carcinomas\n\nStress induced---ulcerative colitis----> Adenocarcinoma colon\nand many unknown....still idiopathic
1126341
Free radicals, during our process of intake and metaboism some of the oxygen are emerge in our body. These are the main free radical which is highly potensive to destroy our body. \n\nAs you can see, oxygen radicals are very powerful and that is the same one which leads for the corrosion of iron.\n\nIn the same way accumulation of free radicals are very much danger to the body. Almost all diseases in our body are due to the act of this highly reactive free radicals.\n\nThe anti-oxidants are the only one to fight against the free radicals. We can get all nececessary anit oxidants from the colored fruits. \n\nThe another method to come out of these free radicals is detoxify our body.\n\nHave a great day.
794558
http://web.indstate.edu/thcme/mwking/lipids.html\n\nGood Luck!!!
761352
you cna't prevent cancer 100% So many things cause cancer. Genetics, overexposure to radiation and harmful chemicals etc. \nMy advice would to just live a healthy life by eating right and exercising.
993484
Never use peroxide cause it is a cancer causing agent. It changes the molecules in your skin
536805
Hmm you could start by looking to see if there is a relationship between vitamin use and cancer. Or even the tried and true cancer and smoking. IT really depends on what kind of data you have access to or if you are going to collect your own.
618690
Not always gives cancer, but it has metals in it, but there are alternates such as Bert's Bee's type deoterent.\nIt does'nt contain any metals although it may be a little more expensive.\nI dont know what kind of cancer it could cause, but remember, it goes in your bloodstream, so it could cause any kind.\nIt's best to avoid all metals in your body.\nNo idea what the chances are.
99648
Cancer in many ways is related to ones length of exposure to carcinogens, the time needed for mutinogenic changes to occur or be detectable and if you live long enough for a cancer to show symtoms of cancer.  All of these factores favor higher cancer rates as one grows older, however many increasing rates of certain caners today are occuring in younger populations.\n\nThere are amny arguments to exactly why this is occuring, but an aging population isn't a factor if cancers in younger people are increasing.  The most common factors cited are poor western diets, exposure to more toxins, increasing UV exposure, our lyfestyle choices among many others.  So eat that crappy broccoli, excersise regularly and never smoke, drink, go outside, or breath unless you  absolutly have to to minamize possible exposure to any thing cancerous.  It just that easy..............not!
27223
Hydrogen peroxide is a reactive oxygen species (ROS) -- which means it will interact with lots of other biological compounds (proteins/lipids) and change their structure.  These changes in structure will change the function, making them non-functional, which is generally toxic.  This and other ROS are a natural by-product of aerobic metabolism and can be taken care of with certain enzymes, but these defenses can be overwhelmed -- by adding a hearty dose of peroxide to a cut.  :)
1166019
Cancer is a class of diseases or disorders characterized by uncontrolled division of cells and the ability of these cells to invade other tissues, either by direct growth into adjacent tissue through invasion or by implantation into distant sites by metastasis. Metastasis is defined as the stage in which cancer cells are transported through the bloodstream or lymphatic system. Cancer may affect people at all ages, but risk increases with age. It is one of the leading causes of death in developed countries.\n\nThere are many types of cancer. Severity of symptoms depends on the site and character of the malignancy and whether there is metastasis. A definitive diagnosis usually requires the histologic examination of tissue by a pathologist. This tissue is obtained by biopsy or surgery. Most cancers can be treated and some cured, depending on the specific type, location, and stage. Once diagnosed, cancer is usually treated with a combination of surgery, chemotherapy and radiotherapy. As research develops, treatments are becoming more specific for the type of cancer pathology. Drugs that target specific cancers already exist for several cancers. If untreated, cancers may eventually cause illness and death, though this is not always the case.\n\nThe unregulated growth that characterizes cancer is caused by damage to DNA, resulting in mutations to genes that encode for proteins controlling cell division. Many mutation events may be required to transform a normal cell into a malignant cell. These mutations can be caused by chemicals or physical agents called carcinogens, by close exposure to radioactive materials, or by certain viruses that can insert their DNA into the human genome. Mutations occur spontaneously, or are passed down generations as a result of germ line mutations.\n\nMany forms of cancer are associated with exposure to environmental factors such as tobacco smoke, radiation, alcohol and certain viruses. While some of these can be avoided, there is no known way to entirely avoid the disease, and public health and vaccination programs are also important on a global scale.\n\n\nI hope you find what your looking for.\n\nGood Luck!\n\n=)
189724
People die of heart disease because of the diet and lifestyle we lead.  We have evolved to eat certain diet. Fat was never abundant in the past and our heart and vessels never learned how to deal with it.\n\nAs far as cancer goes, at least part of the answer is that we have learned how to treat many diseases, allowing for people to live longer and acquire cancer.  Since we do not yet know how to treat that so well, that is what people die from.
112939
Well, cancer is abnormal cells that are growing out of control and will take over healthy tissue and cut off the blood supply.  I have been with three people who died from cancer and it was pretty awful. One brain tumor, one lung cancer and one cancer of the maxillary sinus cavity. \nThe bottom line is that there is abnormal tissue growing where it shouldn't be growing and the body doesn't want it there and it can press on nerves and do all kinds of things to cause pain depending on where it is located. It weakens the body and many times the treatments side effects cause pain too.