2.14 - Health and Disease

• What is the state of health?

  The state of physical and mental wellbeing
• What are lifestyle factors that have a positive effect on health?

  Regular exercise

  Access to medical care

  Eight hours of sleep each night
• What is a disease?

  A group of conditions that cause ill health
• What are some lifestyle factors that have an adverse effect on health?

  Stress

  Smoking
• What is meant by communicable diseases?

  Diseases that can be spread from person to person
• What is the role of the immune system?

  To detect and destroy pathogen