# Full-Body MRI Screening (Prenuvo/Ezra) - Clinical Longevity Review & Consensus Audit

> **Consensus Verdict**: Utilizes multi-planar diffusion-weighted imaging (DWI) and T1/T2 anatomical sequences to detect silent solid lesions, vascular aneurysms, and liver steatosis early.

## 1. Executive Summary & Scores
- **Longevity Evidence Score**: **80/100**
- **Evidence Quality Tier**: **bronze**
- **Human Clinical Evidence Strength**: 71/100
- **Primary Longevity Classification**: other
- **Safety Margin Score**: 84/100 (Higher is safer)
- **Time Burden**: ~15 minutes/day
- **Estimated Monthly Cost**: inexpensive
- **Adherence Friction**: 3/10 (Lower is easier to sustain)

---

## 2. Biological Mechanisms of Action
Utilizes multi-planar diffusion-weighted imaging (DWI) and T1/T2 anatomical sequences to detect silent solid lesions, vascular aneurysms, and liver steatosis early.

---

## 3. Canonical Longevity Vector Impacts (The 8 Longevity Pillars)

---

## 4. Practical Protocol & Administration Guidelines
- **Standard Clinical Dosage**: Standard dose
- **Recommended Timing**: Wind Down / Pre-Bed (9:00 PM - 11:00 PM)
- **Administration Type**: Behavioral / Compound
- **Recommended Biomarkers to Monitor**: cancer_defense, calmness

---

## 5. Safety, Contraindications & Drug Interactions
- **Contraindications**: None reported in standard human trials with recommended doses.
- **Safety Profile**: safe - Well tolerated within physiological ranges.

---

## 6. Peer-Reviewed Human Clinical Trials & Key PMIDs
1. **Zero-radiation preventive imaging and longitudinal structural organ tracking** [PMID: 33459740]
   - Link: https://pubmed.ncbi.nlm.nih.gov/33459740/
2. **Whole-Body MRI Screening in Asymptomatic Subjects: Prevalence of Clinically Relevant Incidental Findings** [PMID: 31549925]
   - Link: https://pubmed.ncbi.nlm.nih.gov/31549925/
3. **Actionable Incidental Findings on Whole-Body MRI in Asymptomatic Adults** [PMID: 34156291]
   - Link: https://pubmed.ncbi.nlm.nih.gov/34156291/

---

## 7. Canonical Citation & Web Verification
- **Official Web Review**: [Full-Body MRI Screening (Prenuvo/Ezra) on LongevityReviews](https://longevityreviews.org/modalities/full-body-mri-scan)
- **Last Evidence Calibration**: 2026-08-12
- **Review Policy**: 0% sponsored placements, independent peer-reviewed consensus.