cancer

• cancer is caused by uncontrolled cell growth and divisions

  can result in formation of a tumour but not all tumours are cancerous
• benign- tumour grows until there is no more room, stays in one place, isnt normally dangerous and isnt cancerous
• maligant- tumour grows and spreads to neighbouring healthy tissues, cells break off and travel in the bloodstream, cells invade healthy tissues and form secondary tumours. are dangerous and cancerous
• anyone can develop canecr
• canacer survival rates have increased due to advancements in technology and treatment, people cant get diagnosis quicker
• risk factors can be linked to lifestyle

  • smoking- causes lung cancer and many others
  • obesity- linked with many cancers
  • UV exposure- linked with skin cancer
  • viral infection- infection increase certain types of cancers
• risk factors may be associated with genes, if you inherit faulty genes you may be more susceptible to cancer