The 8th Princess Chulabhorn International Science Congress was held during the week of November 13-17, 2016 to commemoratethe seventieth anniversary of the accession to the throne of His Majesty King Bhumibol Adulyadej and the seventh cycle (84 years) birthday of Her Majesty Queen Sirikit. The theme of the Congress, “Environmental Health: Inter-linkages among the Environment, Chemicals and Infectious Agents”, is in line with the views of Her Royal Highness Princess Chulabhorn, who has consistently emphasized the importance of research and development in environmental health, which can integrate the fields of environmental science, chemical safety and infectious agents. The Congress included a keynote lecture, a Nobel laureate lecture, plenary sessions, symposia, and a roundtable discussion. There were also 16 platform presentations and 159 poster presentations displaying research conducted by congress participants. The Congress involved a total of 75 invited speakers from 20 countries and over 700 participants from 29 countries. The Opening Keynote Lecture was given by Her Royal Highness Princess Chulabhorn on the topic of, “Environmental Health: The Significance of Early Life Chemical Exposures”. Her Royal Highness provided a general overview of the public health problems facing the developing world that are a major obstacle to sustainable development because they impact not only the health of the present generations but also future ones. She provided a specific example on arsenic...