non-communicable and communicable diseases

• Communicable diseases


  Diseases that can be spread from person to person
• Communicable diseases


  Spread by pathogens such as bacteria or viruses
• Non-communicable diseases


  Diseases that cannot be passed from person to person
• Diseases can cause ill health, which is defined as the state of physical and mental well-being
• Causes of ill health


  • Communicable diseases
  • Non-communicable diseases
  • Poor diet
  • High levels of stress
  • Working with harmful chemicals
• People with a defective immune system (e.g. HIV)


  Are much more likely to suffer from infectious diseases (e.g. TB)
• Infection with HPV (human papilloma virus)


  Can cause cervical cancer
• Infection with a pathogen


  Can trigger an allergy (e.g. certain cases of asthma or dermatitis)
• Physical illness (e.g. arthritis)


  Can trigger a mental illness (e.g. depression)