scroll to top
Stuck on your essay?
Get ideas from this essay and see how your work stacks up
Word Count: 1,593
MAJOR HEALTH PROBLEMS Cancer Description Cancer is new growth of tissue resulting from a continuous proliferation of abnormal cells that have the ability to invade and destroy other tissues Cancer is a multi-stage process where a series of irreversible genetic errors occur in a cell in the body during a patients lifetime The early stages initiation are critical for setting the process off Later changes lead to spread and increased growth rate and are triggered by a range of external factors known as promoters These errors may happen because the person has been exposed to cancer-causing agents carcinogens For instance cigarette smoke contains many chemical initiators and promoters Types Tumours Almost all cancers form tumours but not all tumours are cancerous or malignant the greatest number are not threatening to health Non threatening tumours are characterised by entirely localised growth and are usually separated from neighbouring tissue by a surrounding capsule Non threatening tumours generally grow slowly and in structure closely resemble the tissue of origin In some instances they may endanger the patient by obstructing compressing or displacing neighbouring structures as in the brain Treatment The three main ways of treating cancer have been surgery radiation and chemotherapy Surgery The principal approach to curing cancer is to remove all the malignant cells by a surgical operation In the past this meant the removal of all of the involved tissue and as much potentially involved tissue as possible including adjacent tissues and lymph nodes For some tumours notably cancer of the breast this radical degree of surgery is not always necessary Radiation Therapy Ionising radiation which may be either electromagnetic or particulate is destructive to tissue Electromagnetic radiation includes gamma rays which are emitted by radioactive decay and X-rays which are produced when a beam of electrons strikes a heavy-metal target Particulate radiation includes beams of electrons protons neutrons alpha particles and negative pi
@Kibin is a lifesaver for my essay right now!!
- Sandra Slivka, student @ UC Berkeley
Wow, this is the best essay help I've ever received!
- Camvu Pham, student @ U of M
If I'd known about @Kibin in college, I would have gotten much more sleep
- Jen Soust, alumni @ UCLA