This is true, however, the expansion of the number and types of health services is not limited to these factors only.
Population trends inform the preparation of health intervention procedures and delivery of said interventions. Advances in research methods may also impact health services. Diseases and illness impacts health services expecially during outbreaks.
Consequences of underage drinking include unintentional death or injury associated to driving and engaging in other tasks after drinking like homicide, assaults, violence,etc