# Selenium Sleep Meta-analysis: What the Evidence Says
Canonical: https://www.migaku.app/guides/selenium-sleep-meta-analysis-evidence-review
Category: evidence-review
Summary: Selenium Sleep Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are mixed biom
Last reviewed: 2026-08-09
Reviewed by: Migaku Evidence Review
# Selenium Sleep Meta-analysis: What the Evidence Says

## Quick Answer

Selenium Sleep Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are mixed biomedical and public-health sources, so conclusions should be framed as evidence-aware guidance rather than medical advice.

## Key Takeaways

- This page is generated only from sources stored in the Migaku evidence knowledge base.
- Current evidence mix: 1 preclinical study, 1 research article.
- Claims should be interpreted with the source type, study design, population, and publication date in mind.
- This article is educational and does not replace care from a qualified clinician.

## Evidence Map

| Source | Evidence type | Level | Date | Identifier |
| --- | --- | ---: | --- | --- |
| Marked Clinical Improvement in Parkinson&#8217;s Disease Following Double-Filtration Apheresis: A Case Report | preclinical study | 4 | 2026-06-12 | 10.2147/DNND.S594425 |
| Editorial: Prevention and treatment advancements in diabetic retinopathy | research article | 4 | 2026-02-18 | 10.3389/fendo.2026.1807742 |

## What The Sources Report

- Previous treatments did not result in significant improvement of clinical symptoms. [Burgard Harald (2026); evidence level 4]
- Results showed increased values for LDL cholesterol (131 mg/dl), total cholesterol (219 mg/dl) while malondialdehyde-modified (MDA)-LDL a marker for fat oxidation was in the upper normal range (71 U/l), increased RANTES (Regulated And Normal T cell Expressed and Secreted) a marker for dental foci (58.4 ng/mL) and leaky gut with increased zonuline (48 ng/mL). [Burgard Harald (2026); evidence level 4]
- While there is a trend of decreasing the incidence of the most severe forms of DR in developed countries, the risk of vision-threatening forms of DR is still high, and the overall prevalence of DR is increasing due to the global diabetes epidemic. [Bulum Tomislav (2026); evidence level 4]
- In addition to selenium, vitamin D has been reported to be involved in DR pathogenesis, but results have been inconsistent.explore the relationship between vitamin D level and the risk of DR in 535 adult patients with type 2 diabetes mellitus (T2DM). [Bulum Tomislav (2026); evidence level 4]

## How To Read This Evidence

Evidence level 1 generally reflects systematic reviews or meta-analyses. Level 2 includes randomized trials, guidelines, or public-health guidance. Level 3 usually reflects observational or narrative-review evidence. Level 4 is weaker or early-stage evidence. The level is a sorting aid, not a final quality grade.

## Practical Interpretation

For selenium sleep meta-analysis, the current source set is useful for orientation, but it is not yet broad enough for strong claims. Use cautious language and keep conclusions close to the cited sources.

## Limits Of This First Pass

This is a small-batch MVP article. It uses the first ingested sources for this topic and should be expanded with more targeted searches, license review, and human editorial checks before being treated as a definitive review.

## References

- Burgard Harald (2026). Marked Clinical Improvement in Parkinson&#8217;s Disease Following Double-Filtration Apheresis: A Case Report. DOI: 10.2147/DNND.S594425. PMCID: PMC13271051. PMID: 42312121. License: https://creativecommons.org/licenses/by-nc/4.0/ https://www.dovepress.com/terms.php http://creativecommons.org/licens.... https://pmc.ncbi.nlm.nih.gov/articles/PMC13271051/
- Bulum Tomislav (2026). Editorial: Prevention and treatment advancements in diabetic retinopathy. DOI: 10.3389/fendo.2026.1807742. PMCID: PMC12956620. PMID: 41788770. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC12956620/

## Safety Note

Health information can change, and individual risk depends on medical history, medications, pregnancy status, age, and diagnosis. Talk with a qualified clinician before changing treatment, supplement, or medication routines.