There's a thing called the MED – Minimal Effective Dose. I was first introduced to this idea by Tim Ferriss. In his book The 4 Hour Body, Tim illustrates the minimal effective dose by talking about medical drugs.

有一种东西叫做" 最小有效剂量" （MED）。 蒂姆·费里斯最早向我介绍了这个概念。 在他的《4小时身体》这本书中，蒂姆通过谈论药物来说明最小有效剂量这个概念。