New research presented today at the 41st Annual Meeting of the European Society of Human Reproduction and Embryology (ESHRE) reveals the presence of microplastics in human reproductive fluids, raising important questions about their potential risks to fertility and reproductive health.

Patients suffering from acute pain whose opioid treatment preferences were not met during an emergency department visit are at elevated risk for misusing them three months later. This was particularly true for Black patients, who were likelier than whites to be sent home without an opioid prescription. Patients who were satisfied with how their pain was managed in the emergency department were, however, less likely to misuse opioids, even if their preference for opioids was not honored.

A new blue fluorescent molecule set new top emission efficiencies in both solid and liquid states, according to a University of Michigan-led study that could pave the way for applications in technology and medicine. 

Children aged 2 to 4 years are exposed to a broad range of environmental chemicals, with a new study showing 34 potentially harmful chemicals detected in more than 90% of children.