Psychiatry
Published research on Psychiatry.

A 2026 psychometric study of 354 Swedish participants found that 1-week versions of the PHQ-15 and SSD-12 mostly preserved internal consistency and construct validity, but reliability was ac…
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A 2026 ABCD Study preprint involving 11,868 youth found stable time-ordered predictors of teen substance-use initiation, but the adjusted effects were small: most estimates ranged from −0.01…
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A 2026 Han Chinese case-control preprint linked the MTHFR C677T variant to schizophrenia with type 2 diabetes: the 677T allele appeared in 81.67% of alleles in the comorbid group vs. 60.00% …
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A 2026 cross-sectional study in Moshi, Tanzania found that only 26 of 246 injury patients who drank alcohol, or 10.6%, had ever told a healthcare provider about their alcohol use.1 The calib…
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A 2026 cross-sectional study involving 428 employed adults found that poor sleepers reported a median 292.8 mg/day of caffeine, compared with 176.1 mg/day among good sleepers, and total caff…
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A 2026 Singapore birth-cohort preprint found a conditional childhood-anxiety signal: the cord-blood DNA methylation component predicted less age-13 anxiety only in boys in the low DMN-limbic…
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A 2026 Australian interview study involving 27 adults with methamphetamine use problems found that 21 participants, or 77.8%, had never previously sought treatment for methamphetamine use. R…
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