This post is Part 2 of a two-part series on key aspects of your brain from A to ZZZ. In the previous post, I introduced you to the amygdala, basal ganglia, cerebellum, default mode network, dopamine, ...

The human body operates on a roughly 24-hour cycle known as the circadian rhythm. The cycle is primarily controlled by the suprachiasmatic nucleus — two clusters of neurons in the hypothalamus. This ...