Intro to health&disease

• Health


  A state of both physical and mental well-being
• Factors for good health


  • A well-balanced diet
  • Getting enough exercise
  • Getting enough sleep
  • Having access to medical care
  • Preventive medicines like vaccines
• Factors for poor health

  • Lack of the factors for good health
  • Too much stress
• Disease


  A large group of conditions that can cause ill health
• Types of diseases


  • Communicable diseases (infectious diseases)
  • Non-communicable diseases
• Communicable diseases


  Diseases that can spread from person to person or between animals and people, caused by things like viruses, bacteria, parasites, and fungi
• Communicable diseases


  • The common cold
  • Malaria
  • Meningitis
• Non-communicable diseases


  Diseases that can't be spread between different people, generally start more slowly and last a long time, some never going away
• Problems with the immune system


  Inability to defend against communicable diseases, leading to more frequent infections like the common cold or influenza
• Some viruses


  Can cause certain cancers, e.g. HPV and cervical cancer
• The body's immune system overreacting


  Can cause skin rashes and asthma by damaging the body's own tissues
• Severe physical health problems

  Can have a big impact on mental health, potentially causing depression or chronic anxiety