health and disease

• Health can be described as a state of both physical and mental wellbeing
• lifestyle factors that have a positive effect on health:

  • Access to medical care (e.g. vaccines)
  • Eight hours of sleep each night 
  • Regular exercise 
• The term 'disease' refers to a group of conditions that can cause ill health.
• lifestyle factors that have a averse effect on health:

  • Stress 
  • smoking
• communicable diseases:

  • Diseases that can be spread from person to person
• non-communicable disease:

  • Diseases that cannot be spread from person to person
• a common cold would be a communicable disease
• cancer would be a non-communicable disease
• role of the immune system:

  • To detect and destroy pathogens 
• If your immune system is weakened, which type of diseases do you become more susceptible to:

  • communicable
• mental illnesses would be:

  • anxiety
  • depression
  • schizophrenia