DEFINE infectious diseases: diseases caused by micro-organisms, such as bacteria, viruses, parasites, or fungi, that can be spread directly or indirectly from 1 person to another.
examples of infectious diseases: COVID-19, polio, hepatitus
DEFINE lifestylediseases: any medical disorder/condition thought to be produced or exacerbated by aspects of a person's lifestyle, such as dirt and level of physicalactivity
CHANGES IN HEALTH OVERTIME:
since 1900, there here has been a change in the patterns of disease that contribute to high rates of morbidity and mortality.lifestyle diseases have replaced infectious diseases as the leading cause of death