Final answer:
Primary prevention strategies should be comprehensive and research-based to maximize outcomes, encompassing policy change, community involvement, and local economic investment with ongoing monitoring and evaluation.
Step-by-step explanation:
Primary prevention strategies need to be comprehensive and research-based in order to maximize outcomes. These strategies are designed to avoid the development of diseases and conditions before they occur. By being comprehensive, they consider all aspects of health, including policy and systemic advocacy, relational aspects, and investment in local economies. A research-based approach ensures that these strategies are effective and that they are continuously monitored and evaluated. This allows for learning and adaptation, increasing the likelihood of success in creating sustainable health outcomes and preventing diseases.