Andrew Huberman· PhD
if you view UVB light, you activate those neurons in your eye very potently. And if those cells communicate to the perihabenular nucleus, which they do, you will truncate or reduce the amount of dopamine that you release.
The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
if you view UVB light, you activate those neurons in your eye very potently. And if those cells communicate to the perihabenular nucleus, which they do, you will truncate or reduce the amount of dopamine that you release.
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Avoiding UVB light at night is actually a way in which we can prevent activation of this eye to perihabular pathway that can actually turn on depression.
If you view UVB light, you activate those neurons in your eye very potently. And if those cells communicate to the perihabular nucleus, which they do, you will truncate or reduce the amount of dopamine that you release.
if this pathway is activated at the wrong time of each 24-hour cycle mood gets worse. Dopamine output gets worse. Molecules that are there specifically to make us feel good actually are reduced in their output.