Wearable devices significantly impact preventive healthcare by enabling continuous monitoring of health metrics. These devices collect data on factors like heart rate, physical activity, and sleep patterns, allowing individuals to be proactive about their health. By providing real-time feedback, wearables encourage users to adopt healthier lifestyles and maintain awareness of their well-being. Furthermore, aggregated data from these devices can assist healthcare professionals in identifying trends, offering personalized recommendations, and timely interventions for better patient outcomes.