You start doing the addictive behavior to feel good and then your receptors get overloaded with dopamine, then you stop doing the addictive thing and some of the receptors have shut down and you don't have enough dopamine to feel good. So then you feel bad and go back to the addictive behavior to get more dopamine. The strange thing is that it works with what we think of as uppers and downers and whatever you call gambling - sidewaysers.
Bill NyeTalk about science with everyone you meet. Especially talk about climate change. It needs to become a part of our everyday conversation (the way it is everywhere else in the world).
Bill NyeIf the Earth gets hit by an asteroid, it's game over. It's control-alt-delete for civilization.
Bill Nye