Disease and health (communicable and non communicable diseas

• What is health?

  A state of mental and physical wellbeing
• How can someone have a good health?

  Well balances diet, enough exercise and sleep, access to medical care (vaccines)
• How can someone have a bad health?


  Too much stress, not enough exercise or sleep, no acces to medical care, unbalanced diet
• What is disease?

  Conditions that cause ill health
• Examples of how diease causes ill health?

  Unhealthy diet causes diabietes
• What are the two types of disease?

  Communicable and non communicable disease
• What is communicable disease?

  Infection disease. Spread from one person to the other. Spread by viruses, bacteria, fungi, parasites.
• What are some example of communicable diseases?

  Common cold, malaria, meingitis
• What are non communicable diseases?

  Non infectious diseases. Not spread between people. Last a long time
• What are some examples of non communicable diseases?

  Asthma, CHD, diabetes, cancer
• Some disease can combine to make you ill
• Physical illness also has a massive affect on mental health. How?

  Depression, chronic anxiety
• What are microorganisms?

  Bacteria, viruses, fungi, protists
• What are pathogens?

  Microorganisms that can cause disease and can spread from person to person (communicable)
• How do pathogens spread?

  Air, Contaminated food and water, direct contact
• How is disease spread in the air?

  Coughing or sneezing. Can cause flu and measles.
• How does contaminated water spread disease?


  Drinking contaminated water containing bacteria microorganisms. Cholera- spread through bacteria.
• How is contaminated food spread?

  By eating contaminated food containing bacteria microorganisms. Salmonela.
• How does direct contact cause disease?

  EG. Athletes foot- fungal infection- walking on contaminated surafaces in barefoot
• What treatment is there for communicable diseases?

  Be hygenic, kill vectors(organisms that transport pathogens), vaccinations, quarentine
• How does being hydenic prevent disease?

  Keeps everything clean of microorganisms. EG, wash hands, clean cooking items
• How does killing the vectors prevent disease?

  Stops pathogens being transported. EG. mosquitos- spread insecticides(chemicals that kill insects)
• How does vaccinations prevent disease?


  If the disease cant be caught then it wont be spread
• How does quarentine prevent disease?


  No contact so pathogens not being spread