Social influences on health refer to the ways in which the behaviors, attitudes, and expectations of others, as well as broader societal factors, impact an individual’s physical and mental well-being. Family plays a crucial role, as parental habits, dietary patterns, and attitudes toward exercise or medical care often shape children’s lifelong health behaviors. Peer influence is significant, particularly during adolescence, where friends can affect smoking, alcohol consumption, and engagement in physical activity. Social support networks, including friends, colleagues, and community groups, provide emotional assistance, practical help, and encouragement, which can buffer stress and improve