pipeline: clean 3 stale queue duplicates
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---
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type: source
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title: "Medically Tailored Grocery Deliveries to Improve Food Security and Hypertension in Underserved Groups: A Student-Run Pilot Randomized Controlled Trial"
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author: "Multiple authors (student-run RCT)"
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url: https://pmc.ncbi.nlm.nih.gov/articles/PMC11817985/
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date: 2025-02-01
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domain: health
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secondary_domains: []
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format: journal article
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status: null-result
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priority: medium
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tags: [medically-tailored-meals, food-is-medicine, hypertension, blood-pressure, SDOH, food-insecurity, RCT, underserved]
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processed_by: vida
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processed_date: 2026-04-01
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extraction_model: "anthropic/claude-sonnet-4.5"
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extraction_notes: "LLM returned 0 claims, 0 rejected by validator"
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---
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## Content
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A student-run pilot randomized controlled trial examining medically tailored grocery deliveries on food security and hypertension outcomes in underserved populations. Published in Healthcare (MDPI), February 2025.
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**Study design:** RCT (pilot scale)
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**Intervention:** Medically tailored grocery deliveries (groceries selected to align with dietary guidelines for hypertensive patients)
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**Population:** Underserved groups with hypertension
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**Status during search:** I did not obtain the full results. The study appears as a companion to the Kentucky MTM pilot — both are in the wave of food-as-medicine RCTs from 2024-2025. The student-run design is notable — it suggests community/academic health system partnerships as a delivery model.
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**Published:** PMC11817985, Healthcare 2025 13(3):253.
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## Agent Notes
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**Why this matters:** The student-run model is a potential low-cost delivery pathway for food-as-medicine programs. If medically tailored grocery deliveries can be operationalized through academic health system student programs, the infrastructure question becomes more tractable (though sustainability is still a question).
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**What surprised me:** Student-run programs testing clinical-grade interventions. This reflects the broader "food is medicine" momentum — these studies are being run across academic health systems, not just specialized research centers.
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**What I expected but didn't find:** Results, effect sizes. Need full text.
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**KB connections:**
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- Kentucky MTM pilot (Session 17) — similar intervention, need to compare effect sizes
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- [[SDOH interventions show strong ROI but adoption stalls because Z-code documentation remains below 3 percent]] — student-run programs are another workaround to the infrastructure gap
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**Extraction hints:**
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- **DO NOT EXTRACT** without obtaining results. Archive for follow-up.
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- If results show significant BP reduction: adds to the convergent evidence base for food-as-medicine in hypertension
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- The student-run design is a secondary interesting finding regardless of BP results
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## Curator Notes (structured handoff for extractor)
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PRIMARY CONNECTION: Kentucky MTM pilot (Session 17 archive)
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WHY ARCHIVED: Part of the 2024-2025 wave of food-as-medicine hypertension RCTs. Needs full results before extraction. Archive as a placeholder for follow-up.
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EXTRACTION HINT: **Follow-up needed before extraction.** Retrieve from PMC (open access) and add results to this file. The study is open-access on PMC so full text is available without paywall.
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## Key Facts
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- Student-run pilot RCT examining medically tailored grocery deliveries for hypertension in underserved populations
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- Published in Healthcare (MDPI), February 2025, PMC11817985
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- Study design: randomized controlled trial (pilot scale)
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- Intervention: medically tailored grocery deliveries aligned with dietary guidelines for hypertensive patients
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- Full results not yet obtained - requires follow-up retrieval from PMC
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---
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type: source
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title: "Food Insecurity and Incident Cardiovascular Disease Among Black and White US Individuals, 2000–2020 (CARDIA Study)"
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author: "Northwestern Medicine researchers / CARDIA Study Group"
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url: https://pubmed.ncbi.nlm.nih.gov/40072427/
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date: 2025-03-12
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domain: health
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secondary_domains: []
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format: journal article
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status: processed
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priority: high
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tags: [food-insecurity, cardiovascular-disease, CVD, SDOH, CARDIA, prospective-cohort, hypertension, midlife]
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processed_by: vida
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processed_date: 2026-04-01
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claims_extracted: ["food-insecurity-independently-predicts-41-percent-higher-cvd-incidence-establishing-temporality-for-sdoh-cardiovascular-pathway.md"]
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enrichments_applied: ["five-adverse-sdoh-independently-predict-hypertension-risk-food-insecurity-unemployment-poverty-low-education-inadequate-insurance.md", "Americas declining life expectancy is driven by deaths of despair concentrated in populations and regions most damaged by economic restructuring since the 1980s.md", "SDOH interventions show strong ROI but adoption stalls because Z-code documentation remains below 3 percent and no operational infrastructure connects screening to action.md"]
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extraction_model: "anthropic/claude-sonnet-4.5"
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---
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## Content
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A prospective cohort study using CARDIA (Coronary Artery Risk Development in Young Adults) data, following 3,616 US adults without preexisting CVD from 2000 to August 31, 2020. Mean age at baseline: 40.1 years. 56% female. 47% Black race. 15% reported food insecurity at baseline.
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**Primary finding:** Food insecurity was associated with a **41% greater risk of developing incident cardiovascular disease in midlife** (HR: 1.41, adjusted for demographic and socioeconomic factors including income, education, employment).
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**Key significance:** This is the first prospective cohort study establishing temporality — food insecurity precedes CVD development. Prior studies were cross-sectional. The CARDIA design demonstrates that food insecurity comes first, making it a target for prevention, not just a correlate.
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**Race-stratified:** 47% of participants were Black, the population disproportionately affected by food insecurity and CVD. Results held after adjustment for socioeconomic factors, suggesting food insecurity is an independent mechanism beyond its correlation with poverty.
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**Clinical implication:** Authors suggest food insecurity should be included in clinical CVD risk assessment tools. "If we address food insecurity early, we may be able to reduce the burden of heart disease later."
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Published: JAMA Cardiology 10(5):456-462, May 2025 (released online March 2025).
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## Agent Notes
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**Why this matters:** Establishes temporality in the food insecurity → CVD causal chain. This is the prospective evidence that had been missing — not just "food insecure people have more CVD" but "food insecurity in young adulthood predicts CVD 20 years later." This is the upstream mechanism confirmation for the entire food-environment thread running since Session 15.
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**What surprised me:** The 41% magnitude and the survival of the association after adjustment for socioeconomic factors. It's not just that poor people get CVD — food insecurity has an independent effect beyond income and education. This suggests the mechanism is specifically through nutrition pathways (the UPF-inflammation-hypertension chain) rather than only through general deprivation.
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**What I expected but didn't find:** Race-stratified effect sizes (did the 41% figure hold equally for Black vs. white participants?). The study design included both, but the summary evidence doesn't separate the effect by race.
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**KB connections:**
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- [[Americas declining life expectancy is driven by deaths of despair concentrated in populations and regions most damaged by economic restructuring since the 1980s]] — food insecurity as co-mechanism
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- Big Food companies engineer addictive products by hacking evolutionary reward pathways creating a noncommunicable disease epidemic — UPF as the specific food insecurity mechanism
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- medical care explains only 10-20 percent of health outcomes because behavioral social and genetic factors dominate — food insecurity here is a SDOH, not a medical factor
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- SDOH interventions show strong ROI but adoption stalls because Z-code documentation remains below 3 percent — clinical integration gap
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- From Session 16: UPF → inflammation → hypertension (AHA REGARDS cohort) + five SDOH factors for hypertension non-control
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**Extraction hints:**
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- New claim: "Food insecurity independently predicts 41% higher incident CVD risk in midlife after adjustment for socioeconomic factors, establishing temporality for the food environment → cardiovascular disease pathway"
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- This is **different from existing KB claims** — the CARDIA study is prospective, establishing causation direction, not just correlation
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- Confidence: proven (large prospective cohort, 20-year follow-up, adjusted for confounders)
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- Connect to the SDOH-hypertension thread as upstream mechanism
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**Context:** Stephen Juraschek at Northwestern Medicine is one of the lead researchers. Published March 2025 online, May 2025 print. Well-covered by STAT News, ACC, Northwestern press release.
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## Curator Notes (structured handoff for extractor)
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PRIMARY CONNECTION: [[Americas declining life expectancy is driven by deaths of despair concentrated in populations and regions most damaged by economic restructuring since the 1980s]]
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WHY ARCHIVED: First prospective evidence establishing food insecurity as causal precursor to CVD (not just correlation), directly strengthening the structural SDOH mechanism chain built in Sessions 15-16.
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EXTRACTION HINT: Extract as standalone claim: "Food insecurity in young adulthood independently predicts 41% higher CVD incidence in midlife, establishing temporality for the SDOH → cardiovascular disease pathway." Keep scope narrow — prospective in a specific cohort, not a systematic claim about all SDOH. Note the 47% Black composition and adjusted analysis.
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## Key Facts
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- CARDIA study followed 3,616 US adults from 2000 to August 31, 2020
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- Mean age at baseline: 40.1 years, 56% female, 47% Black race
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- 15% reported food insecurity at baseline
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- Published JAMA Cardiology 10(5):456-462, May 2025 (online March 2025)
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- Stephen Juraschek at Northwestern Medicine is lead researcher
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---
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type: source
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title: "AHA 2025: Food is Medicine (DASH groceries + dietitian support) improved BP but reverted to baseline 6 months after program ended"
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author: "Stephen Juraschek et al. (reported by STAT News)"
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url: https://www.statnews.com/2025/11/10/aha-food-as-medicine-lowered-blood-pressure/
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date: 2025-11-10
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domain: health
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secondary_domains: []
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format: thread
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status: processed
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priority: high
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tags: [food-is-medicine, hypertension, blood-pressure, DASH, food-insecurity, durability, structural-SDOH, AHA-2025]
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processed_by: vida
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processed_date: 2026-04-01
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claims_extracted: ["food-as-medicine-interventions-produce-clinically-significant-improvements-during-active-delivery-but-benefits-fully-revert-when-structural-food-environment-support-is-removed.md"]
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enrichments_applied: ["food-insecurity-independently-predicts-41-percent-higher-cvd-incidence-establishing-temporality-for-sdoh-cardiovascular-pathway.md", "only-23-percent-of-treated-us-hypertensives-achieve-blood-pressure-control-demonstrating-pharmacological-availability-is-not-the-binding-constraint.md"]
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extraction_model: "anthropic/claude-sonnet-4.5"
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---
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## Content
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Presented at the American Heart Association Scientific Sessions 2025. Study examined whether home-delivered DASH-style groceries plus dietitian counseling could reduce blood pressure in Black adults living in food-insecure neighborhoods in Boston.
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**Study arms:**
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- Intervention: DASH groceries (home-delivered) + professional dietitian guidance
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- Control: $500 monthly stipends to purchase food independently
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**Duration:** 12-week active intervention
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**Results at 12 weeks:**
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- Groceries + dietitian support arm: statistically greater BP improvement vs. stipend-only
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- Groceries + dietitian support arm: also greater LDL cholesterol reduction vs. stipend-only
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- Blood sugar and BMI: no significant changes in either arm
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**Critical finding — durability:**
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**Six months after the program ended** — when grocery deliveries and stipends stopped — blood pressure AND LDL cholesterol had returned to where they were at the start of the study.
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**Researcher quote (Stephen Juraschek):** "We did not build grocery stores in the communities that our participants were living in. We did not make the groceries cheaper for people after they were free during the intervention."
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This is the critical gap between intervention and structural change: the food environment in the Boston neighborhoods where participants lived was unchanged. When the program stopped, participants returned to the same food environment — and disease regenerated.
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The AHA funded 20 Food is Medicine pilot studies through its Health Care by Food initiative (launched 2024).
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## Agent Notes
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**Why this matters:** This is the pivotal finding for the structural food environment thesis. The study confirms: (1) dietary change → BP improvement is a real causal pathway (12-week results), AND (2) that pathway requires continuous structural support. The moment the food environment reverts, health outcomes revert. This is mechanistic confirmation of Session 16's key insight: the food environment doesn't just generate disease initially — it *continuously regenerates* it.
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**What surprised me:** The durability failure is so complete — full reversion to baseline by 6 months. Not partial reversion, not maintenance of some benefit — complete return. This is the starkest possible evidence that episodic food assistance is insufficient without structural food environment change.
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**What I expected but didn't find:** Effect size in mmHg (STAT article doesn't give specific numbers). The Kentucky MTM pilot (Session 17 archive) gives better quantitative data (-9.67 mmHg).
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**KB connections:**
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- From Session 16: AHA REGARDS cohort (UPF → 23% higher incident hypertension in 9.3 years, continuous inflammation mechanism) — the Boston study's reversion confirms the continuous regeneration mechanism
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- From Session 16: digital health equity split (tailored works; generic fails; but even tailored reverts when the structural environment is unchanged)
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- [[healthcare is a complex adaptive system requiring simple enabling rules not complicated management]] — the food environment is the system that overrides individual interventions
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- [[medical care explains only 10-20 percent of health outcomes]] — even a targeted food intervention can't overcome the structural environment when it's removed
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**CLAIM CANDIDATE:**
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"Food-as-medicine interventions produce clinically significant BP and LDL improvements during active delivery but benefits fully revert to baseline when structural food environment support is removed, confirming the food environment as the proximate disease-generating mechanism rather than a modifiable behavioral choice"
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This is a STRONG candidate — combines the positive result (it works when active) with the durability failure (structural change is required) into a single claim that challenges both the techno-optimist framing (deploy food programs and it's solved) and the behavioral framing (patients need to make better choices).
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**Context:** AHA's Health Care by Food initiative is the leading US clinical trial infrastructure for food-as-medicine research. Stephen Juraschek is at Beth Israel Deaconess Medical Center (Boston). The STAT News coverage by Ron Winslow. The preprint of this study is on medRxiv (August 2025).
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## Curator Notes (structured handoff for extractor)
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PRIMARY CONNECTION: From Session 16: "UPF consumption causes hypertension through inflammation — food environment re-generates disease faster than clinical treatment addresses it"
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WHY ARCHIVED: Provides experimental confirmation (RCT level) that dietary intervention works during active delivery but fails structurally when the program ends. This is the evidence that bridges mechanism (food environment causes BP) to policy prescription (structural change required, not episodic programs).
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EXTRACTION HINT: The key claim is in the DURABILITY FAILURE, not the positive result. The positive result (BP improved during program) is expected and not novel. The reversion to baseline is the surprising, claim-worthy finding. Extract: "active food-as-medicine programs improve BP but don't create durable change without structural food environment transformation." Connect to the continuous inflammation mechanism.
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## Key Facts
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- AHA 2025 Boston food-as-medicine RCT studied Black adults in food-insecure neighborhoods
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- Study compared DASH groceries + dietitian support vs. $500 monthly stipends
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- 12-week active intervention period
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- Groceries + dietitian arm showed statistically greater BP improvement and LDL reduction vs. stipend-only at 12 weeks
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- No significant changes in blood sugar or BMI in either arm
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- 6 months after program ended, BP and LDL had returned to baseline in intervention arm
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- Stephen Juraschek is at Beth Israel Deaconess Medical Center, Boston
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- Study preprint available on medRxiv (August 2025)
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- STAT News coverage by Ron Winslow
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