机体主要存在两种方式的摄食行为：满足营养需求、饥饿状态下的稳态摄食和追求快乐的享乐性摄食。稳态摄食保证生存，享乐性摄食则加速肥胖的发生，可能引起代谢性疾病。位于胆碱能系统的基底前脑区域布洛卡斜角带(DBB)参与调控摄食行为：DBB胆碱能神经 ...

DBB provides a rare opportunity for gaining exposure to futures contracts on three highly-liquid base metals: copper, aluminum, and zinc. Cu, Al, and Zn are expected to see a significant boom in ...

The Fund seeks to track the DBIQ Optimum Yield Industrial Metals Index Excess Return which is intended to reflect the base metals sector.