New psychoactive substances (NPS), also known as "internet drugs," are substances developed to affect the brain in a similar way to illegal drugs. Researchers at Linköping University, Sweden, in ...

In January 2022, the U.S. Food and Drug Administration (FDA) released finalized guidance on premarket pathways for combination products. While the guidance is not binding, it provides industry ...

Add Yahoo as a preferred source to see more of our stories on Google. Nitazenes, like this powder sample, are a class of synthetic opioids more potent than morphine and fentanyl. Joe Lamberti/The ...

Cannabis may be on its way to being less restricted in the U.S. after a recent recommendation from the Health and Human Services Department to reschedule the drug's classification. Last week, the HHS ...

Individuals with HIV who were resistant to all four antiretroviral drug classes experienced higher mortality than those who were not resistant, a difference primarily due to lower CD4 cell counts.

Researchers looked specifically at head-to-head randomized clinical trials of next-in-class cancer drugs against existing agents in the same class. Less than one-quarter of next-in-class cancer drugs ...