We investigated the effect of a series of dopamine concentration to SH-SYSY cells, and got the inflexion between the acceleration and the toxicity.

本文研究了一系列浓度梯度的多巴胺对SH-SY5Y 细胞生长状态的影响，得出了其从对细胞生长促进作用转入毒性作用的拐点。

youdao

Start moving. A quick burst of aerobic exercise relieves stress and improves concentration by flooding the brain with oxygen and activating brain chemicals such as dopamine.

动起来。迅速进行一阵有氧运动，通过给大脑摄入大量氧气、激活例如多巴胺的大脑化学物质，就可以减轻压力、提高注意力。

youdao

"There was a lower concentration of dopamine markers in the brain of individuals with A.D.H.D., specifically in the areas of the brain that are involved with reward and motivation."

VOA: special.2009.09.29