Novel illicit opioids, such as furanyl fentanyl and U-47700, are being encountered with
increasing frequency in street heroin samples and have been confirmed in a series of …

Synthetic drugs of abuse contain various psychoactive substances. These substances have
recently emerged as novel drugs of abuse in public; thus, they are known as novel …

Overdose deaths are often viewed as the leading edge of the opioid epidemic which has
gripped the United States over the past two decades (Skolnick, 2018a). This emphasis is …

The United States is experiencing an epidemic of opioid overdose deaths. Many of the
recent fatalities are associated with illicitly manufactured fentanyl, which is being added to …

Introduction. New synthetic drugs are appearing as old hallucinogen psychedelic drugs are
reappearing. This article combines the findings from a variety of datasets to characterize the …

The use of new psychoactive substances (NPS) has rapidly increased over the last decade.
In the last 4 years, producers increasingly appear to be targeting non‐controlled synthetic …

The opioid epidemic is associated with morbidity and mortality, and it has taken a vast toll on
American society. While prescription opioid abuse is part of the opioid problem, it is by no …

During the last decade, there has been an increase in the availability and use of novel
psychoactive substances (NPS), also known as “legal highs,” across the world. They include …

Sharp increases in opioid overdose deaths since 2013 are partly explained by the
introduction of illicitly manufactured fentanyl into the heroin market. Outbreaks related to …

Abstract In 2018, the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA)
reported the appearance of new psychoactive substances (NPS) on European Union (EU) at …