Andrew Huberman· PhD
Now there are reasons why you would have brain circuitry like this. I mean, brain circuitry like this didn't evolve to get you addicted brain circuitry like this evolved in order to motivate behaviors toward particular goals, water when you're thirsty , sex in order to reproduce and we're gonna talk about the relationship between estrogen and testosterone and the dopamine system because those hormones actually bias dopamine to be released.