b7

• how does a tumour form?

  uncontrolled growth causes a lump called a tumour to form?
• benign tumour?


  forms in one place and does not spread to other tissues

  non-canceroud
• malignant tumours?


  invade neighbouring tissues

  may spread to different parts of the body
• life risk factors for types of cancer?

  Smoking

  obesity

  UV radiation

  alcohol consumption.
• what disease can smoking cause?

  cardiovascular

  lung cancer

  bronchitis

  COPD
• what happens if a fetus is exposed to smoke?

  restricted oxygen

  premature birth

  low birth weight
• what can diet affect?

  risk of cardiovascular and other diseases directly through cholesterol levels and indirectly through obesity
• what can excersice affect?

  excersice levels affect the likelihood of developing cardiovascular disease
• what is a strong risk factor for type 2 diabetes?

  obesity
• what does alcohol damage?

  liver

  can cause cirrhosis and liver cancer

  cause brain damage

  can affect the development of her unborn baby-if pregnant