A drug that is blocked by the EU regulatory system has now been found to improve the quality of life of people with multiple sclerosis (MS), according to a study by Queen Mary University of London (QMUL).

The new findings, made in fruit flies and mice, challenge the existing dogma about how neurons that release the chemical signal dopamine communicate, and may have important implications for many dopamine-related diseases.

MIT neuroscientists have now shown, for the first time, that recalling a memory requires a “detour” circuit that branches off from the original memory circuit.