摘要
The fight against the depen-dence on psychoactive substances forms a gross challenge in the new century, and becomes a research 'hot spot' for toxi-cology and psychology.
The fight against the dependence on psychoactive substances forms a gross challenge in the new century, and becomes a research ＂hot spot＂ for toxicology and psychology. One stumbling block on the way to the research progress lies in the precise description at the molecular level of the anomaly in the synaptic morphology and neuro-physiological mechanism taking place in the addictive process.
