Peter Attia· MD
And it comes from the fact that melanocortin, which is the, if you will, the growth factor for melanocytes in terms of their daily function as well as their development, comes from propiomelanocortin produced in the anterior pituitary tract. And that basically a component of that gene product or this hormone is it's the pro hormone is cleaved into its hormones is endorphin. Endorphin is produced and released in addition to melanocortin, but equal stoichiometric quantities.