Diseases and Cancer

• coronary heart disease

  when coronary arteries become blocked up by fatty plaques
• causes of CHD

  • poor diet
  • stress
  • smoking
  • lack of exercise
  • too much alcohol consumption
• treatments for CHD

  • stents
  • statins
  • biological/mechanical valves
  • artificial hearts
• stents

  • keep coronary arteries opened
  • low risk of heart attack, last longer, quick recovery
  • risks in operation, risks of blood clots
• statins

  • reduce cholestrol levels
  • reduces chance of heart attacks, prevents other diseases
  • long term, negative side effects
• biological/mechanical valves

  • replace faulty hearts
  • low risk of heart attack, safe procedure
  • chance of rejection, risk of blood clots
• artificial hearts

  • used whilst waiting for transplant
  • less chance of rejection, no waitlist
  • risks in surgery, organ failure
• cancer

  uncontrolled division of cells
• two types of tumours

  1. benign
  2. malignant
• benign tumors

  • dont spread
  • non cancerous
• malignant tumors

  • spread to other parts of body
  • cause cancer