<story><title>Low serotonin levels might explain some Long Covid symptoms, study proposes</title><url>https://www.science.org/content/article/low-serotonin-levels-might-explain-some-long-covid-symptoms-study-proposes</url></story><parent_chain><item><author>ofjcihen</author><text>Was going to say this. My one gripe with HN is that people say incorrect things with complete confidence pretty regularly and you can only
Detect it if you know the subject matter.</text></item><item><author>RohMin</author><text>While most of the body’s serotonin is indeed in the gut, the serotonin that impacts our mood, sleep, and other cognitive functions is exclusively produced and used in the brain.</text></item><item><author>francisofascii</author><text>My gut reaction (pun intended) or guess on what causes Long Covid is a viral reservoir, possibly in the gut, that the immune system cannot fully clear.  Low serotonin is then a downstream effect from the chronic stress on the body. Approx. 90% of serotonin found in the human body is located in the (GI) tract. So people and doctors will throw SSRIs at the problem, and maybe that will relieve some symptoms, but will not address the fundamental cause.  Reference: &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;pmc&amp;#x2F;articles&amp;#x2F;PMC10171832&amp;#x2F;&quot; rel=&quot;nofollow noreferrer&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;pmc&amp;#x2F;articles&amp;#x2F;PMC10171832&amp;#x2F;&lt;/a&gt;</text></item></parent_chain><comment><author>latch</author><text>HN used to show vote count. In the past, you&amp;#x27;d see something like your GP having a vote count of 14, and your parent (the correction) having a vote count of 53. It was super useful and helped to combat misinformation.</text></comment>
<story><title>Low serotonin levels might explain some Long Covid symptoms, study proposes</title><url>https://www.science.org/content/article/low-serotonin-levels-might-explain-some-long-covid-symptoms-study-proposes</url></story><parent_chain><item><author>ofjcihen</author><text>Was going to say this. My one gripe with HN is that people say incorrect things with complete confidence pretty regularly and you can only
Detect it if you know the subject matter.</text></item><item><author>RohMin</author><text>While most of the body’s serotonin is indeed in the gut, the serotonin that impacts our mood, sleep, and other cognitive functions is exclusively produced and used in the brain.</text></item><item><author>francisofascii</author><text>My gut reaction (pun intended) or guess on what causes Long Covid is a viral reservoir, possibly in the gut, that the immune system cannot fully clear.  Low serotonin is then a downstream effect from the chronic stress on the body. Approx. 90% of serotonin found in the human body is located in the (GI) tract. So people and doctors will throw SSRIs at the problem, and maybe that will relieve some symptoms, but will not address the fundamental cause.  Reference: &lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;pmc&amp;#x2F;articles&amp;#x2F;PMC10171832&amp;#x2F;&quot; rel=&quot;nofollow noreferrer&quot;&gt;https:&amp;#x2F;&amp;#x2F;www.ncbi.nlm.nih.gov&amp;#x2F;pmc&amp;#x2F;articles&amp;#x2F;PMC10171832&amp;#x2F;&lt;/a&gt;</text></item></parent_chain><comment><author>ludston</author><text>To be fair, this person clearly said it was a &amp;quot;gut&amp;quot; feeling, and it is also ok to be wrong about things, since being corrected on saying a wrong thing is a wonderful way to learn.</text></comment>