Essays /

Cancer Essay

Essay preview

Cancer is a generic term for a large group of diseases that can affect any part of the body. One defining feature of cancer is the rapid creation of abnormal cells that grow beyond their usual boundaries, and which can then invade adjoining parts of the body and spread to other organs. This process is referred to as metastasis. Metastases are the major cause of death from cancer. Key facts:

Cancers figure among the leading causes of death worldwide, accounting for 8.2 million deaths in 2012 . Lung, liver, stomach, colorectal and breast cancers cause the most cancer deaths each year. The most frequent types of cancer differ between men and women. About 30% of cancer deaths are due to the five leading behavioral and dietary risks: high body mass index, low fruit and vegetable intake, lack of physical activity, tobacco use, alcohol use. Tobacco use is the most important risk factor for cancer causing over 20% of global cancer deaths and about 70% of global lung cancer deaths. It is expected that annual cancer cases will rise from 14 million in 2012 to 22 within the next two decades. The problem:

Cancer is a leading cause of death worldwide, accounting for 8.2 million deaths in 2012. The main types of cancer are: lung (1.59 million deaths)
liver (745 000 deaths)
stomach (723 000 deaths)
colorectal (694 000 deaths)
breast (521 000 deaths)
oesophageal cancer (400 000 deaths) .

Lung cancer 

Lung cancer (also known as carcinoma of the lung) is a...

Read more


0.4 0.8 000 1 1.1 1.22 1.3 1.45 1.5 1.59 1.9 11 13.2 14 14.5 17.9 2 20 2000 2009 2010 2012 2014 2025 22 3 30 34 4 400 486 50 52.1 521 60 65 694 70 71 723 745 8.2 85 91.9 abnorm absenc abstin abus access accord account activ address adjoin adolesc adren adult affect africa age alcohol alert along also among annual arous asia asymptomat averag avoid becom behavior benefit beyond bile billion bladder blood bodi boundari breast british call cancer carcinoma care case caus cell cervic character chew childhood children cigarett collect colorect common communiti compet consequ consider consum consumpt contributor control correspond cost cost-effect cotinin could counsel countri creation cultur daili data day deal death debunk decad decreas defin deleteri depriv descent despit detect diabet diagnos die diet dietari differ difficult diseas distress doctor donat done drop duct due earli earlier east east-asia educ effect either endem environment equal esophagus establish estim european everyday evid expect explain exposur extens fact factor far faster featur feel femal fifth figur firsthand five form found frequent fruit gallbladd generic gland global greek group grow growth half hardship hbv head health healthi hemochromatosi hepar hepat high higher highest hpv import improv includ incom increas index indian indic indisput individu infect infest inject insid intak intestin invad iron keep key kidney known lack larg larynx lead least less leukaemia level life lifelong like liver long long-term lose lot low low-incom lung main mainten major male malign man mani mass may mean measur men mental metastas metastasi method million minut monitor mood move much myeloid myth n nearbi neck need next non non-depriv non-smok nonsmok noth obes occur oesophag offer one one-third open organ origin outcom over overdrink overload pancrea part particular peopl percent physic physician polici pollut posit practic predict preval prevent primari probabl problem process product protect proven psycholog quit radiat rapid rate recent reduc refer regular relationship report respect result revers right rise risk safe saharan salivari screen second secondhand servic set sever shorten shown sign sinc singl sinonas small smoke smokeless smoker spread squamous start state still stomach strategi stress stronger structur studi sub sub-saharan suffer suggest surfac symptom talk term therefor third three time tissu tobacco topic treatment truth tumor two type uncontrol unit unlik usag use usual vaccin various veget vessel vigil virus warn weight whilst within without woman women world worldwid would year