For a drug to have a positive effect, it must reach its target in the body. Even the most potent agent will be rendered useless if the biochemical headwinds prove too great — or if a person simply chooses not to take their medicine.

Nature 657, S1 (2026)

doi: https://doi.org/10.1038/d41586-026-02653-8

These six advances could change how drugs are delivered

Drug-delivering particles aim to breach the blood–brain barrier