The two messenger substances are produces by our body, I'don't know really where, but they are. And when they are poured out, the effect is, that we feel happy, maybe euphoric and so on. Real drugs use this effect... So could it be possible to start pouring out Dopamine or Serotonine without taking ...

I don't think that anyone is immune to binaural beats. Have you ever tried Hand of God or Gate of Hades while doing something interesting or while riding on the bycicle? I'm pretty sure you won't really feel anything, maybe you get a humming skull or sth like that, but not the expected effect. And t...