# Boron Sleep Meta-analysis: What the Evidence Says
Canonical: https://www.migaku.app/guides/boron-sleep-meta-analysis-evidence-review
Category: evidence-review
Summary: Boron Sleep Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are randomized tr
Last reviewed: 2026-08-16
Reviewed by: Migaku Evidence Review
# Boron Sleep Meta-analysis: What the Evidence Says

## Quick Answer

Boron Sleep Meta-analysis has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are randomized trial, 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 randomized trial, 1 narrative review.
- 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 |
| --- | --- | ---: | --- | --- |
| Smartphone-based support for early childhood development in a rural low-resource setting: an individually randomised pilot feasibility trial from Guatemala | randomized trial | 2 | 2026-01-01 | 10.1136/bmjpo-2025-003979 |
| Understanding the Secular Decline in Testosterone: Mechanisms, Consequences, and Clinical Perspectives | narrative review | 3 | 2026-01-09 | 10.3390/ijms27020692 |

## What The Sources Report

- ECD interventions that are scalable in low-resource settings are urgently needed to reach the estimated 250 million children at risk. [Tschida Scott (2026); evidence level 2]
- In Guatemala, 70% of children are at risk of suboptimal development, and there is little to no ECD support available in either the public or private sectors.A few studies in other LMICs have now examined the design and usability of caregiver smartphone apps to support ECD in LMICs, although child-centred outcomes and rigorous effectiveness assessments are still lacking. [Tschida Scott (2026); evidence level 2]
- While a gradual decline in testosterone with advancing age is well recognized-most notably in men aged 70-80 years, and progressively in women during the premenopausal period with a stabilization or a modest increase after menopause -cumulative evidence has documented an additional, age-independent decline in men. [Fraile-Martínez Óscar (2026); evidence level 3]
- From a medical perspective, low testosterone levels (clinically diagnosed as hypogonadism) are strongly associated with various chronic maladies including metabolic syndrome, cardiovascular disease and overall mortality. [Fraile-Martínez Óscar (2026); evidence level 3]

## 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

There is trial evidence in the current set, but population and intervention details still matter. For boron sleep meta-analysis, the next editorial step is to add more targeted sources and separate strong findings from early or indirect evidence.

## 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

- Tschida Scott (2026). Smartphone-based support for early childhood development in a rural low-resource setting: an individually randomised pilot feasibility trial from Guatemala. DOI: 10.1136/bmjpo-2025-003979. PMCID: PMC13289361. PMID: 42285612. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13289361/
- Fraile-Martínez Óscar (2026). Understanding the Secular Decline in Testosterone: Mechanisms, Consequences, and Clinical Perspectives. DOI: 10.3390/ijms27020692. PMCID: PMC12841019. PMID: 41596342. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC12841019/

## 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.