Communicable and Non-communicable Diseases

• What is a communicable disease ?

  a disease that can be spread from one person to person e.g. measles
• How are communicable disease spread ?

  by pathogens such as bacteria
• What are non-communicable diseases ?

  diseases that cannot be passed from person to person e.g. coronary heart disease
• What is health ?

  state of physical and mental well being
• What can ill health caused by ?

  both communicable and non-communicable diseases
• What else can cause ill-health?

  by poor diet ,high levels of stress and other life-situations e.g.working with harmful chemicals
• What is tuberculosis ?

  a communicable lung disease (can be fatal)
• Most people immune system can fight of tuberculosis however some have defective immune system e.g. HIV
• Disadvantages of defective immune system

  people are more likely to suffer from infectious disease
• What is human papilloma virus (HPV)

  • extremely common , essential harmless
  • for some people it causes cervical cancer
• Around 3000 women are diagnosed with cervical cancer every year in the UK
• Some disease can be triggered by the immune system e.g allergies like asthma
• When the body is infected with a pathogen ,the immune system fights off but the person is then left with an allergy
• Sometimes a mental illness can be triggered by a physical illness
• What is arthritis?


  Inflammation of the joints.
• People with arthritis can find it difficult to move and lead a normal life and in some cases this can make them feel isolated and depressed