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School nurses do this by screening students and families for altered health. For example, when a school nurse performs height and weight assessments on older adolescents, they can also record blood pressure and calculate BMI. When educating students, they can communicate the measurements to the student privately so they may make the connection with elevated BMI and blood pressure to risk of cardiovascular disease. School and community nurses may hold health and wellness fairs at schools or in community settings and provide a similar service to all community members and promote community wellness.