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Researchers analyzed brain scans from ~1,000 autistic individuals and mouse models to identify two distinct autism subtypes based on brain connectivity patterns: hyperconnectivity and hypoconnectivity. This suggests autism may have multiple biological mechanisms rather than a single etiology.
Finasteride (hair-loss medication) has documented associations with depression and suicidal ideation in post-marketing data. The article argues regulators have inadequately addressed these psychiatric risks despite evidence.
Study found anxiety and insomnia associated with reduced natural killer cells in young Saudi women, with greater anxiety correlating to lower NK cell counts. Suggests stress may suppress immune function through measurable cellular changes.
A two-week wearable sensor study examined correlations between sunlight exposure, physical activity, and depression. Findings support the established relationship between environmental light, movement patterns, and mood regulation in depressive disorders.
Vagus nerve stimulation showed sustained benefits for treatment-resistant depression patients over a two-year follow-up, with some delayed responders improving with extended treatment. Most participants had failed multiple prior interventions.
