This document discusses the lifestyle of young adults from a sociocultural perspective. It defines lifestyle as the interests, opinions, behaviors and orientations of individuals and groups that are learned through socialization. The document notes that modern lifestyles can be unhealthy, leading to issues like obesity, disease, and mental health problems. It identifies key components of young adult lifestyles like family dynamics, marriage age, and responsibilities. Finally, it discusses main determinants of lifestyle from a sociocultural view, such as culture, social roles, socioeconomic position, and their influence on health.