VITAMIN D IMPACT ON STRESS AND COGNITIVE DECLINE IN OLDER ROMANIAN ADULTS
Bibliographic record
Abstract
Vitamin D plays a key role in ageing-related cellular processes, such as inflammation, oxidative stress and mitochondrial dysfunction.Vitamin D deficiency is prevalent among older adults and has been linked to cognitive decline, mood disorders and various age-related diseases.This study evaluated the correlation between serum vitamin D levels and stress resilience, cognitive decline and successful ageing in older Romanian adults.A cross-sectional clinical trial was conducted with 89 participants over 55.Serum vitamin D levels were measured using chemiluminescence analysis.At the same time, the cognitive function was assessed through the Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment (MOCA) and the Geriatric Depression Scale.Stress and resilience were evaluated using the Perceived Stress Scale and Siebert Resilience Test.Low vitamin D levels have been associated with cognitive impairment, as measured by the MMSE and MOCA.However, no significant relationship was found between vitamin D levels and stress or resilience scores.This study indicates that vitamin D may play a significant role in preventing cognitive decline among older adults; however, its effects on stress and resilience necessitate further investigation. RezumatVitamina D joacă un rol important în procesele celulare asociate cu îmbătrânirea, cum ar fi inflamația, stresul oxidativ și disfuncția mitocondrială.Carența de vitamină D este răspândită în rândul adulților în vârstă și a fost legată de deficitul cognitiv, tulburările de dispoziție și alte boli ale vârstnicului.Acest studiu și-a propus să evalueze corelația dintre nivelurile serice de vitamină D și rezistența la stres, declinul cognitiv și îmbătrânirea cu succes la vârstnicii din România.Un studiu clinic transversal a fost efectuat cu 89 de participanți având vârsta peste 55 de ani.Nivelurile serice de vitamină D au fost măsurate folosind analiza de chemiluminiscență, în timp ce funcția cognitivă a fost evaluată prin Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment (MOCA) și Geriatric Depression Scale.Stresul și reziliența au fost evaluate utilizând Scala de stres perceput și Testul de reziliență psihică Siebert.A fost identificată o corelație semnificativă între nivelurile scăzute de vitamina D și afectarea cognitivă, măsurată de MMSE și MOCA.Cu toate acestea, nu a fost găsită nicio relație semnificativă între nivelurile de vitamina D și scorurile de stres sau rezistență.Acest studiu sugerează că vitamina D joacă un rol în prevenirea declinului cognitiv la vârstnici, dar impactul său asupra stresului și rezilienței psihice necesită investigații suplimentare.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".