Understanding neurodivergence
Articles based on published research: ADHD, autism, dyslexia, mood, sleep, and what actually helps.
ADHD Genes Beyond Dopamine: The Six Brain Pathways a 2022 Review Maps, and Why They All Lead Back to Dopamine
A viral post says the genes linked to ADHD fall into six neurotransmitter pathways. The review behind it is real. Here is what each pathway does, which genes are involved, why heritability is about 76%, and what a consumer DNA file can and cannot tell you.
Depression and Inflammation: The Kynurenine Detour, Explained
A viral post says your immune system can "reroute" brain chemistry and steal the raw material of serotonin. The mechanism is real and well studied. Here is what the kynurenine pathway is, what human studies actually show, and why it may explain why some antidepressants fail.
The Third Neurotransmitter in ADHD: What a Massive New Review Found About Serotonin
ADHD conversations usually focus on dopamine and norepinephrine. A huge new 2025 review makes the case that serotonin deserves a seat at the table too, and the scale of the evidence is genuinely striking.
The Gut-Brain Serotonin Highway: How Your Intestines Talk to Your Brain via the Vagus Nerve
A 2025 review maps out how gut-produced serotonin reaches the brain through the vagus nerve, a real biological reason gut health, mood and neurodivergence often show up together.
Why SSRIs Don't Work the Same for Everyone with Autism: The Serotonin Study Behind It
A viral post maps serotonin differences across three brain regions in autism. We traced it to the actual postmortem study - here is what it found and what it means for SSRI treatment.
Genetics and Serotonin Keep Showing Up in ADHD Content. Here's What's Actually Solid.
TPH1/TPH2, SLC6A4, HTR1/HTR2 - serotonin gene explainers are everywhere right now. Some of it is textbook-accurate. Some of it is one researcher's theory presented as settled fact. And serotonin isn't even ADHD's primary biology - here's where it actually matters.
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