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Habitual low dietary fibre intake (<15 g/day; WCRF/AICR convincing- evidence threshold is...

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IDRF-LIFESTYLE-LOW-FIBER-CRC-PREVENTION
ArtWarnhinweis
Statusreviewed 2026-05-18 | pending_clinical_signoff
ErkrankungenDIS-CRC
QuellenSRC-NCCN-BCELL-2025 SRC-NCCN-COLON-2025

Ursprung der Roten Flagge

BegriffsbestimmungHabitual low dietary fibre intake (<15 g/day; WCRF/AICR convincing- evidence threshold is ≥30 g/day, IOM adequate intake 25 g/day female / 38 g/day male). WCRF/AICR Continuous Update Project rates dietary fibre as "convincing" protective for colorectal cancer — each 10 g/day of total fibre intake reduces CRC risk by ~10% (RR ~0.90). Mechanisms: faecal bulking + reduced transit time + microbiota-derived short-chain fatty acids (butyrate) supporting colonocyte differentiation + dilution of luminal carcinogens. Whole-grain, vegetable, fruit, and pulse fibre sources show consistent inverse association with CRC incidence in large prospective cohorts (EPIC, NHS, HPFS). Prevention- persona RedFlag (§20 v0.3 diet pilot, 2026-05-18).
Klinische RichtungUntersuchung
KategorieSonstige

Logik auslösen

{
  "any_of": [
    {
      "finding": "dietary_fiber_intake_lt_15g_per_day",
      "value": true
    },
    {
      "finding": "low_whole_grain_intake",
      "value": true
    },
    {
      "finding": "low_vegetable_fruit_intake",
      "value": true
    }
  ],
  "type": "lab_value"
}

Anmerkungen

Prevention-persona RedFlag for low dietary fibre intake (<15 g/day). WCRF/AICR convincing-evidence rating for CRC. Effect size modest individually but population-attributable fraction non-trivial (low fibre intake is endemic in Western diets). Engine routes to PreventionPlan recommending dietary counseling + USPSTF-cadence CRC screening. STUB pending two-Clinical-Co-Lead signoff per CHARTER §6.1 dev-mode.

Verwendet von

Anwendungsgebiet