The University of Toronto and University of Vienna pharmacologist developed L-dopa, a precursor to dopamine that remains the most widely used therapy for Parkinson’s disease.
A study in mice suggests serotonin release underlies the drug’s prosocial effects while dopamine mediates the rewarding properties that drive its potential for abuse.
The Scientist speaks with a clinical toxicologist to discuss how the supplement acts in the brain and what the agency's declaration means for research.
For decades, the only remedies for hearing loss were devices such as hearing aids or cochlear implants. Now, the first pharmaceutical treatments may be on the way.