Final answer:
The World Health Organization (WHO) is a division of the United Nations responsible for worldwide health promotion, monitoring global health trends, and shaping health research agendas.
Step-by-step explanation:
The division of the United Nations that promotes health activities worldwide is the World Health Organization (WHO). The WHO takes on a leadership role in global health issues, orchestrates health research agendas, and systematically monitors and assesses health trends across the globe. Additionally, information about the state of health worldwide, such as data on health outbreaks and up-to-date health news, is readily available on the WHO's website.