The provided content highlights the importance of handling public health issues using multi-disciplinary methodologies. Specifically, it focuses on three key areas: RTA deaths and injuries, tobacco use, and access to healthcare. The content emphasizes the need for effective solutions to prevent road accidents, promote healthy lifestyles by reducing tobacco consumption, and ensure that everyone has access to quality healthcare services. It also underscores the importance of considering the interconnectedness of these factors in addressing public health challenges.