If social media is a behavior modification system, the very platforms that deliver the news to you are biased against news.

如果社交媒体是一种行为修正系统，那么向您传递新闻的平台就会对新闻产生偏见。

Our brains have what scientists call a " reward system." Behaviors that help us survive and stay healthy produce small increases in naturally occurring brain chemicals called " neurotransmitters" in parts of the reward system related to pleasure.

我们的大脑有科学家所说的“奖励系统”。帮助我们生存和保持健康的行为会导致大脑中自然产生的化学物质（称为“神经递质”）的少量增加，这些化学物质是与快乐相关的奖励系统的一部分。