what is cancer?

Answer 1

the invasion of bad cells into your good healthy cells...without healthy cells your body gets weak and unable to fight of even the smallest things and in turn allows the cancer to spread farther and invade more parts of the body,that can't go on for long with a fast spreading cancer(some spead faster than others) and your body will shut down and die.Thank God science has many ways to detect and fight this evil crap.

Answer 2

Cancer. You cells produce too many cells and you have a big lump somewhere in your body. If you don't get it treated, it keeps reproducing and you'll die. Not good.

There 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.

The 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, and may be passed down from one generation to the next as a result of mutations within germ lines. However, it should be noted that some carcinogens also appear to work through non-mutagenic pathways that affect the level of transcription of certain genes but do not necessarily mutate the bases themselves.

Many forms of cancer are associated with exposure to environmental factors such as tobacco smoke, radiation, alcohol, and certain viruses. While some of these risk factors can be avoided or reduced, there is no known way to entirely avoid the disease.

Hope you got the answer to your question!

Answer 3

Cancer is the mutation of DNA within the cells.

Your cells are programmed to do certain tasks and to tell the other cells around it what it's doing. Sometimes, through genetics, radiation (sun, Xrays etc) or age, the chemicals that tell the cell what to do break down, and the cell forgets what to do. It starts sending out messages to the cells around it to forget what they're supposed to be doing too. Eventually you get a tumour. If pieces break off the tumour and can travel around the body via the blood or lymph systems, it's said to be malignant. If the tumour is staying where it is and not doing anything, it's said to be benign.

Answer 4

Cancer is when a normal cell in any organ or tissue in the body- changes and becomes an abnormal cell and then keeps growing only the abnormal cells-- like mold growing on old food in the fridge- it keeps growing and growing and killing the good food.

Answer 5

Cancer is when your cells produce too quickly!

Answer 6

Well, for one thing, "cancer" is 200 different diseases.

Answer 7

abnormal growing cells

Answer 8

Umm, are you talking about the disease or the horoscope?

Answer 9

i dont feel like explaining