cancer

• What are the two types of tumors mentioned?

  Benign and malignant tumors
• What is a benign tumor?

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

  They do not invade other body parts
• 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 body parts
• What are secondary tumors?

  New tumors formed from malignant cells
• What is a genetic risk factor for cancer?

  Inherited increased risk from parents
• Which cancers are mentioned as having genetic risk factors?

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

  Smoking
• What is linked to skin cancer?

  Exposure to ultraviolet light
• What type of cancer is linked to drinking alcohol?

  Mouth and throat cancer
• What is radon?

  A radioactive gas increasing lung cancer risk
• How does radon increase cancer risk?

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

  Cancer
• What are the risk factors for developing cancer?

  • Genetic factors (inherited risks)
  • Lifestyle factors (smoking, UV exposure, alcohol)
  • Environmental factors (radon exposure)
• What is the process of cell division by mitosis?

  • One cell divides into two identical cells
  • Occurs during growth and repair
  • Controlled by genes in the nucleus
• What are the key features of benign and malignant tumors?

  Benign Tumors:

  • Abnormal cells in one area
  • Do not invade other tissues

  
  

  Malignant Tumors:

  • Invade neighboring tissues
  • Spread through the bloodstream
  • Form secondary tumors