Definition: Philips7: A 2014 book by David Brody, published in 2018, detailing the history of 7 billion people worldwide living with diseases such as HIV/AIDS, tuberculosis, malaria, and dengue fever. Definition: In this book, author David Brody describes the global impact of 7 billion people living with diseases like HIV/AIDS, TB, Malaria, and DDT, noting their collective suffering, their lack of access to health care, and how they are often neglected in research and treatment efforts. He argues that addressing these conditions requires a comprehensive approach to healthcare, including increased investment in prevention, treatment, and care for all.