Researchers uncover complex genetic ties between ADHD and morning cortisol

November 19, 2025

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1 min read

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PsyPost

The connection between ADHD and cortisol is not one of cause and effect, new research concludes. A genetic analysis suggests the two are linked by shared biological pathways that regulate the body’s general arousal systems.

A new study suggests the connection between Attention-Deficit/Hyperactivity Disorder (ADHD) and the body’s primary stress hormone, cortisol, is not one of direct cause and effect. Instead, the two appear to share a complex genetic foundation, pointin... [7580 chars]

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