Andrew Huberman· PhD
Can you overeat? Yes, you can. Can you under eat? Of course. - Or light. light in the early part of the day, throughout the day, wonderful. Light late in the day and at night, detrimental. - Bi-directional, you know, for water, can you over hydrate, hypernatremia it can lead, you know, it happened in the 1990s and 2000, with the ecstasy craze, where governments were saying you're dehydrating you're dancing all night, please drink water. And they drunk too much water, their blood electrolytes went you know, all over the place, and they were having cardiac arrests or stroke. - Yeah people were dying. - And they were dying because of excessive hydration. Can you get too much oxygen, hypoxemia? And it can cause free radical damage, which can be profoundly harmful and kill brain cells.