Osteoporosis is called a silent disease because bone loss occurs without symptoms. It is the main cause of age-related fractures and disabilities with a consequent increasing healthy, social and economic impact. An awareness and knowledge towards bone health and osteoporosis is a particularly important strategy for successful prevention of osteoporosis. Aim: evaluate the outcomes of nursing educational interventions concerning osteoporosis on adults' awareness and their practice of healthy habits. Design: A quasi-experimental research design with one group (pre-posttest) was utilized. Setting: The study was conducted at rehabilitation and orthopedic outpatient's clinic, Zagazig, and Menoufia University Hospitals. Subjects: A convenience sample of total 350 adult women, men, and their relatives' attended for rehabilitation and orthopedic outpatient clinics were engaged after their expressing willingness to participate and give permission for the interview. Tools: a structured interviewing questionnaire containing 44 questions covered sociodemographic data, general medical history, and specific female history, awareness regarding osteoporosis and life habits, sources of their knowledge. Results: Three quarters of subjects had a negative family history of osteoporosis and nearly two-thirds of them had a negative history of previous fracture. There were a statistically significant difference as regards life habits and adults 'awareness of general knowledge score about osteoporosis, prevention knowledge, nutrition knowledge. Conclusion: the application of nursing educational intervention accepted the study hypothesis by significantly improving the level of the studied adults' awareness about osteoporosis and their practice of healthy habits as nutrition and preventive measures. More ever, the total adequacy awareness score of the studied participants significantly associated with their level of education. Recommendations: Continuous applying of health nursing education sessions about osteoporosis and using lectures, handouts, educational pictures, and videos. Empowering the role of health care providers in improving awareness about osteoporosis, modifying life habits through mass media and scientific programs. National public survey for early detection of Vit D deficiency and osteoporosis risk factors. Keywords: adults' awareness, health habits, nursing educational intervention, outcomes, osteoporosis.