   
"isotronic" sounds that stimulate our brain "releasing certain substances" at certain frequencies.

&amp;#x200B;

[https://www.youtube.com/watch?v=IE9TCwSFeIU](https://www.youtube.com/watch?v=IE9TCwSFeIU)

 *Marijuana Enhancing Isochronic Tones - 432 Hz  Contains Alpha, Beta, Gamma, and Epsilon Wave*