Andrew Huberman· PhD
well, then, the osmolarity, the salt concentration in your blood, is going to be lower. Your OVLT will detect that because of these osmosensing neurons in your OVLT. Your OVLT will fail to signal to the supraoptic nucleus, and there will not be the release of vasopressin antidiuretic hormone, and you can excrete all the water that your body wants to excrete, meaning you'll be able to urinate.