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Noah Gannon Fitness Health Outcomes Estimator

v11
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This calculator is pre-loaded with a sample profile so you can see how it works. Update the fields below to see your personalized results.

yrs
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Current Body

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This tool is for educational purposes only and is designed to help illustrate the potential effects of lifestyle changes based on peer-reviewed literature. Results shown are not guaranteed outcomes — they are estimates using population-based evidence that may not reflect your individual experience.

This is not medical advice, a diagnosis, or a treatment plan. Always consult a healthcare provider before making significant changes to your diet, exercise, or lifestyle — especially if you have existing medical conditions.

Projected biomarker values (blood pressure, glucose, cholesterol, etc.) are rough estimates based on research averages and are not a substitute for actual bloodwork or medical testing. Do not use these projections to make decisions about medications, skip medical appointments, or self-diagnose. Only your personal physician can interpret your lab results in the context of your full health history.

About Our Sources

  • • Meta-analyses — highest evidence level, combining multiple studies
  • • Top journals — NEJM, JAMA, Lancet, BMJ, Cochrane
  • • Clinical guidelines — WHO, AHA, and other major bodies cite these

Evidence Confidence

High — Multiple meta-analyses, clinical guideline basis
Moderate — Strong studies, some debate or fewer replications
Emerging — Promising research, may be confounded or less replicated
Blood Pressure: Neter 2003 — ~1 mmHg SBP per kg (diminishing returns)
Lean Mass: Garthe 2011 — Slower loss preserves muscle
Fiber & Mortality: Reynolds 2019 — Mortality association (may reflect diet quality)
Saturated Fat: Hooper 2020 — CVD reduction when replaced with PUFA
Steps: Paluch 2022 — Dose-response, steepest at low counts
Resistance Training: Momma 2022 — 10-17% mortality reduction
Cardio: Wen 2011 — 15 min/day = 14% mortality reduction
Smoking: GBD 2017 — Major mortality/CVD/cancer risk factor
Alcohol: GBD 2018 — No safe level; dose-response harm
Activity & Cancer: Moore 2016 — 10-21% reduction for lifestyle-related cancers
Obesity & Cancer: IARC 2016 — Body fat linked to 13 cancer types
Alcohol & Cancer: Bagnardi 2015 — ~7% increased risk per drink/day
Fiber & Colorectal: Aune 2011 — ~10% reduction per 10g/day fiber
Nature Exposure: White 2019 — Wellbeing association (cross-sectional) · Not used in calculations
Meditation: Goyal 2014 — Moderate effects on anxiety/depression
Exercise & Depression: Schuch 2016 — Effect size ~0.62, comparable to medication
Exercise & Anxiety: Stubbs 2017 — Moderate anxiety reduction
Cognition: Northey 2018 — Combined exercise most effective
Gratitude Journaling: Emmons 2003 — Wellbeing improvements · Not used in calculations
Physical Function: Villareal 2011 — 21% improvement with diet + exercise
Joint Pain: Messier 2013 — ~5% reduction per 1% weight lost
Diabetes Prevention: DPP 2002 — 58% risk reduction with lifestyle
Diabetes Remission: DiRECT 2018 — Duration-dependent remission rates
Weight Loss & Mortality: Ma 2017 — 18% mortality reduction

Important Limitations

  • • Estimates are population averages—individual responses vary significantly
  • • Some relationships (like fiber and mortality) may reflect overall dietary patterns, not isolated effects
  • • Mental health effects shown as qualitative levels because percentages would imply false precision
  • • Long-term outcomes require sustained behavior change
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