non-communicable disease

• communicable- caused by pathogens
• non-communicable diseases- are diseases that cannot be passed from person to person
• examples

  • diabetes:obesity+poor diet increase risk
  • heart disease(CVD,CHD)-diet,smoking,lack of exercise
  • liver disease:alcohol
  • lung disease/cancer:smoking increases risk
  • cancer:auto-immune condition resulting form genetic mutation causing cells to multiply uncontrollably-tumour
• cancers

  carcinogens:things that increase risk of developing cancer eg ionising radiation

  benign: doesnt spread through the body

  malignant: spreads through the body
• Body mass index(BMI)

  $mass(kg)/height2(m)$