cancer

• What are the two types of tumors mentioned?

  Benign and malignant tumors
• What is a benign tumor?

  Growths of abnormal cells in one area
• How do benign tumors behave in the body?

  They do not invade other parts of the body
• What distinguishes malignant tumors from benign tumors?

  Malignant tumors invade neighboring tissues
• What happens to malignant cells once they enter the bloodstream?

  They spread to different parts of the body
• What are secondary tumors?

  New tumors formed from malignant cells
• What is a key risk factor for developing certain cancers?

  Genetic inheritance from parents
• Which cancers are mentioned as having a genetic risk factor?

  Certain types of breast, prostate, and large intestine cancers
• What lifestyle factor is linked to lung cancer?

  Smoking
• What is linked to skin cancer?

  Exposure to ultraviolet light
• What substance is linked to mouth and throat cancer?

  Drinking alcohol
• What environmental substance increases the risk of lung cancer?

  Radon
• Why does radon increase lung cancer risk?

  It releases ionizing radiation damaging DNA
• What can uncontrolled cell division lead to?

  Cancer
• What are the key features of benign and malignant tumors?

  • Benign tumors:
  • Growths of abnormal cells in one area
  • Do not invade other parts of the body
  • Malignant tumors:
  • Invade neighboring tissues
  • Spread through the bloodstream to form secondary tumors
• What are the risk factors for developing cancer?

  • Genetic factors (inherited risks)
  • Lifestyle factors (e.g., smoking, alcohol)
  • Environmental factors (e.g., radon exposure)