Social media can be used to raise awareness about health issues, especially concerning the importance of periodical screening. The present study aims to identify the role of social media awareness campaigns in the early detection of breast cancer, with a focus on Romania, a country with a high female mortality due to this disease. The research is performed using a survey, based on an online questionnaire, which was self-administered by the respondents included in two samples selected from a Facebook community of Romanian women. Sample A was composed of 1945 women who were not exposed to periodic campaigns regarding the importance of screening for the prevention and early detection of this type of disease, and Sample B was composed of 289 women who were exposed to such annual campaigns within the last 5 years. The results outline several differences among respondents from the two samples regarding their awareness of prevention necessity, as well as the frequency and chosen methods for breast cancer screening. The findings hold important implications for public authorities, which must intensify their efforts in raising women's awareness regarding the importance of screening for the early detection and prevention of breast cancer.