Cancer: Oncology and Nearby Healthy Cells Essay Sample
Cancer is one of the leading causes of death in the world. It is truly the silent killer. If you don’t find it in time, the doctors won’t be able to stop it, and you will probably die. Cancer is a wide range of diseases that develop when the DNA of a cell become’s damaged or changed, producing mutations that warp normal cell growth and division. Cancer cells do not die when regular cells would and new cells continue form. The extra cells may form tumours. Benign tumours that aren’t cancerous and malignant tumours that are. Cancer can spread to other parts of the body through the blood system. There are more than 100 different types of cancer that affect things from the lungs to the brain. Some cancers are “Aggressive Cancer’s” which is cancer that is spreading rapidly. There are a few things that can cause, or lead to, cancer. Smoking can lead to many different types of cancer because it affects the lungs, kidney, pancreas, and stomach. Lack of physical activity is also a leading factor in cancer’s development. Genetics play a part in cancer’s development because when cancer is genetic, a mutated gene has been passed down from generation to generation.
Depending on the environment you are in, it can increase your chances of getting it. High sun exposure can raise your risk of different types of skin cancer. There are many different types of cancer treatments. Radiation Therapy, which works by damaging the material inside cancer cells and limit’s their ability to reproduce. There is surgery, where a doctor cuts the cancerous tumours out. Chemotherapy is used to kill the cancerous cells that spread throughout the body. It can be used to shrink tumors for surgery, and it can also ease some of the symptoms of cancer including pain. Anti-Cancer drugs are usually used before or after surgeries to slow the cancer or shrink the tumours and cancer cells. There is a lot of experimental treatments out that are attempting to treat cancer by improving or replacing the other methods, these treatments are not always recommended.
There are reasons that these treatments might not work. Radiation not only kills or slows the growth of cancer cells, it can also affect nearby healthy cells. Surgery might not work because it can’t completely remove all of the cancer cells. Chemotherapy, by itself, only works for approximately 2-4% of all cancer patients. Anti-Cancer drugs are new and have only been available for a few years and they have had less testing than some of the other treatments. Experimental treatments are just that, an experiment and may still be getting tested. There are some things that you can do to lower your chances of getting or even preventing cancer. You can avoid smoking and limit your exposure to smoke. You can watch and recognize when changes occur in/on your skin. You can eat your fruits and vegetables. Limit the amount of red meat and animal fats you eat. Don’t drink a lot of alcohol. You can exercise regularly. Make sure you know if your family has history of cancer. Avoid chemicals and other toxic materials and make sure to get tested for cancer regularly.