Good sleep starts in the gut
You might think good sleep happens in your brain, but restorative sleep actually begins much lower in the body: in the gut.
Dec 4, 2025
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Organic Chemicals: News and Research on Serotonin
MeSH tree: D02.092.211.215.801.852
Schizophrenia-spectrum disorders may originate in specific brain regions that show early structural damage
Researchers at the University of Seville have identified the possible origins of structural damage in the brains of patients with schizophrenia spectrum disorders (SSDs). These are regions that show the greatest morphological ...
Nov 26, 2025
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Study reveals unexpected link between dopamine and serotonin in the brain
Researchers at Karolinska Institutet, Columbia University and the University of San Francisco, have uncovered a previously unknown mechanism by which dopamine, a key brain chemical vital for movement and motivation, can affect ...
Nov 25, 2025
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Too sick to socialize: How the brain and immune system promote staying in bed
"I just can't make it tonight. You have fun without me." Across much of the animal kingdom, when infection strikes, social contact shuts down. A new study details how the immune and central nervous systems implement this ...
Nov 25, 2025
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Low-dose THC may reduce side effects of HIV treatment
Long-term, low doses of THC mitigate many harmful side effects and inflammation caused by HIV and antiretroviral therapy (ART), according to new research from Texas Biomedical Research Institute.
Nov 6, 2025
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Is seasonal affective disorder more than feeling sad? Q&A
Seasonal affective disorder, or SAD, is a type of depression that's related to the changes in seasons. Symptoms typically appear in the fall, worsen through the winter months and eventually go away in the spring or summer.
Nov 5, 2025
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Four research-backed ways to beat the winter blues in the colder months
As winter approaches and daylight saving time is about to end, many people are bracing themselves for shorter days, colder weather and what's often dismissed as the "winter blues." But these seasonal shifts are more than ...
Oct 30, 2025
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Serotonin produced by gut bacteria provides hope for a novel IBS treatment
Research from the University of Gothenburg, Sweden, clarifies the complex interaction between gut bacteria and irritable bowel syndrome (IBS). Experiments demonstrate that gut bacteria can produce the important substance ...
Oct 20, 2025
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Brain test predicts ability to achieve orgasm—but only in patients taking antidepressants
Researchers have discovered that the ability to have an erection or to orgasm is related to the levels of serotonin in the brain, but this relation only applies to depressed patients taking SSRI antidepressants.
Oct 12, 2025
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What is a 'dopamine detox?' And do I need one?
Advice about cutting down on dopamine is everywhere right now. From "dopamine fasting" to "anti-dopamine parenting" and even "raw-dogging" flights (going without any screens, books or music), TikTok influencers claim these ...
Oct 8, 2025
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