# Longevity Cities

> Longevity Cities is a decentralized, science-based community for healthy aging. We organize free local meetups worldwide, expert talks and shared activities, and publish evidence-based educational content.

This is the worldwide network hub.
The community started in Munich in 2023, founded by Maurice Lichtenberg. Maurice Lichtenberg, Laura Pezza and Christian Ziegert lead the network, which grew from Longevity Munich through Longevity Germany into Longevity Cities. City chapters use the name “Longevity {City}”.

## Complete data and content

- [JSON export](https://longevity-cities.com/llms.json) — structured records and metadata; follow pagination links for the full collections.
- [XML export](https://longevity-cities.com/llms.xml) — structured community, content and source-backed network information.
- [Full text export](https://longevity-cities.com/llms-full.txt) — detailed guides, tool methodology, scientific references, glossary definitions and published community content.

This file is a curated navigation index. Use the complete exports and linked pages for individual records, scientific details, current schedules and availability. Cite the canonical URL supplied by each page. Educational tools and content do not provide medical diagnoses or treatment recommendations.

## Markdown twins (preferred for citation)

The linked [md] versions contain readable page content and source references. Append `.md` only for these supported EN/DE page families:
- Homepage: `https://longevity-cities.com/{lang}.md`.
- Guides: `https://longevity-cities.com/{lang}/guide/{slug}.md`.
- Calculators: `https://longevity-cities.com/{lang}/tools/{slug}.md` for face-age, calorie-calculator, protein-calculator, vo2max-calculator, grip-strength, homa-ir, jetlag-planner and zone-2-calculator.
- Pace of Aging Test: `https://longevity-cities.com/{lang}/age-test.md`.
- Glossary terms, research papers and articles: `https://longevity-cities.com/{lang}/glossary/{slug}.md`, `https://longevity-cities.com/{lang}/research/{slug}.md`, `https://longevity-cities.com/{lang}/articles/{slug}.md`.
- City chapters and activity series: `https://longevity-cities.com/{lang}/city/{slug}.md`, `https://longevity-cities.com/{lang}/city/{citySlug}/{activitySlug}.md`.
- Event pages: `https://longevity-cities.com/{lang}/events/{slug}.md`.
- Evidence map and cells: `https://longevity-cities.com/{lang}/evidence`.md and `https://longevity-cities.com/{lang}/evidence/{intervention}/{outcome}.md`.
- Annual reports: `https://longevity-cities.com/{lang}/report/{year}.md`.

Every other URL has NO twin. Index pages, the menopause test, pseudoscience checker and its verdict pages, and Face Age methodology are HTML only. Follow the explicit links below; do not invent Markdown URLs for these pages.

## Community and source entry points

- [Regional homepage](https://longevity-cities.com/en) — Longevity Cities. [md](https://longevity-cities.com/en.md)
- [About this community](https://longevity-cities.com/en/about) — background, people and contact information.
- [Regional events](https://longevity-cities.com/en/events) — current local dates, venues and registration links; partner events may be ticketed.
- [All city chapters](https://longevity-cities.com/en/chapters) — worldwide directory of local communities and city activities.
- [Founding chapter: Munich](https://longevity-cities.com/en/city/munich) — local chapter and recurring activities. [md](https://longevity-cities.com/en/city/munich.md)
- [Network events](https://longevity-cities.com/en/events) — community meetups, online sessions and partner events across the network.
- [Speakers](https://longevity-cities.com/en/speakers) — public speaker profiles and expertise.
- [Source-backed connections and appearances](https://longevity-cities.com/en/about#network) — documented events, talks, media and collaborations, with original sources and precise roles. A speaker’s employer or an event venue alone does not establish an institutional partnership.
- [Contact](https://longevity-cities.com/en/contact) — ways to reach the community.

WhatsApp groups: join via the city pages. Use the chapter directory to find the local community and its public join information.

## Shared knowledge library (English)

- [Longevity guides](https://longevity-cities.com/en/guide) — All published guides, including community-authored guides.
- [Epigenetic tests guide](https://longevity-cities.com/en/guide/epigenetic-tests) — A starting point for understanding biological-age tests. [md](https://longevity-cities.com/en/guide/epigenetic-tests.md)
- [Research library](https://longevity-cities.com/en/research) — Published papers with sources and evidence labels.
- [Articles](https://longevity-cities.com/en/articles) — Community articles and practical explanations.
- [Longevity glossary](https://longevity-cities.com/en/glossary) — Find scientific terms and their full definitions.
- [Health tools and calculators](https://longevity-cities.com/en/tools) — The complete tool index and methodology links.
- [Products and discount codes](https://longevity-cities.com/en/products) — Current offers and verification details on the product pages.
- [Evidence map](https://longevity-cities.com/en/evidence) — intervention/outcome matrix with evidence grades and gaps. [md](https://longevity-cities.com/en/evidence.md)
- [State of Longevity Cities 2026](https://longevity-cities.com/en/report/2026) — annual network report. [md](https://longevity-cities.com/en/report/2026.md)
- [Recipes](https://longevity-cities.com/en/recipes) — search public recipes and browse nutrition goals.
- [FAQ](https://longevity-cities.com/en/faq) — common questions about the community.

## Selected tools (English)

- [Face Age](https://longevity-cities.com/en/tools/face-age) — Photo-based facial-age estimate and its limitations. [md](https://longevity-cities.com/en/tools/face-age.md)
- [Calorie Calculator](https://longevity-cities.com/en/tools/calorie-calculator) — Daily energy needs and calorie targets. [md](https://longevity-cities.com/en/tools/calorie-calculator.md)
- [Protein Calculator](https://longevity-cities.com/en/tools/protein-calculator) — Protein estimates by age, goal and training. [md](https://longevity-cities.com/en/tools/protein-calculator.md)
- [VO2max Calculator](https://longevity-cities.com/en/tools/vo2max-calculator) — Cardiorespiratory fitness estimates and reference data. [md](https://longevity-cities.com/en/tools/vo2max-calculator.md)
- [Grip Strength Test](https://longevity-cities.com/en/tools/grip-strength) — Grip-strength comparison by age and sex. [md](https://longevity-cities.com/en/tools/grip-strength.md)
- [HOMA-IR Calculator](https://longevity-cities.com/en/tools/homa-ir) — Fasting glucose and insulin calculation with interpretation limits. [md](https://longevity-cities.com/en/tools/homa-ir.md)
- [Jet Lag Planner](https://longevity-cities.com/en/tools/jetlag-planner) — Travel timing guidance and methodology. [md](https://longevity-cities.com/en/tools/jetlag-planner.md)
- [Zone 2 Heart Rate Calculator](https://longevity-cities.com/en/tools/zone-2-calculator) — Heart-rate estimates and training-zone explanations. [md](https://longevity-cities.com/en/tools/zone-2-calculator.md)
- [Pace of Aging Test](https://longevity-cities.com/en/age-test) — Lifestyle questionnaire with educational estimates. [md](https://longevity-cities.com/en/age-test.md)
- [Menopause & Perimenopause Test](https://longevity-cities.com/en/menopause-test) — Menopause-stage self-assessment and explanations.
- [Pseudoscience Checker](https://longevity-cities.com/en/pseudoscience-checker) — Evaluate health claims and explore evidence verdicts.

## Deutsch

Longevity Cities ist das internationale Netzwerk Longevity Cities mit aktiven Stadtchaptern weltweit. Lokale Meetups, Vorträge und gemeinsame Aktivitäten verbinden Menschen rund um gesundes Altern. Die vollständigen Exporte oben enthalten die Details; die folgenden Seiten bieten den deutschsprachigen Einstieg.

- [Über die Community](https://longevity-cities.com/de/about) — Hintergrund und Menschen.
- [Lokale Veranstaltungen](https://longevity-cities.com/de/events) — Termine und Anmeldung; Partnerveranstaltungen können kostenpflichtig sein.
- [Alle Stadtchapter](https://longevity-cities.com/de/chapters) — lokale Communitys und Aktivitäten.
- [Speaker](https://longevity-cities.com/de/speakers) — öffentliche Profile und Fachgebiete.
- [Belegte Verbindungen und Auftritte](https://longevity-cities.com/de/about#network) — Originalquellen mit Rolle und Kontext.
- [Rezepte](https://longevity-cities.com/de/recipes) — öffentliche Rezepte und Ernährungsziele.
- [Häufige Fragen](https://longevity-cities.com/de/faq) — Antworten zur Community.

### Wissen und Quellen

- [Longevity-Guides](https://longevity-cities.com/de/guide) — Alle veröffentlichten Guides, auch aus der Community.
- [Guide zu epigenetischen Tests](https://longevity-cities.com/de/guide/epigenetic-tests) — Einstieg in Tests zum biologischen Alter. [md](https://longevity-cities.com/de/guide/epigenetic-tests.md)
- [Studienbibliothek](https://longevity-cities.com/de/research) — Veröffentlichte Studien mit Quellen und Evidenzstufen.
- [Artikel](https://longevity-cities.com/de/articles) — Community-Artikel und verständliche Einordnungen.
- [Longevity-Glossar](https://longevity-cities.com/de/glossary) — Wissenschaftliche Begriffe und ihre vollständigen Definitionen.
- [Gesundheitstools und Rechner](https://longevity-cities.com/de/tools) — Vollständige Toolübersicht mit Methodik-Links.
- [Produkte und Rabattcodes](https://longevity-cities.com/de/products) — Aktuelle Angebote und Prüfdetails auf den Produktseiten.

### Ausgewählte Tools

- [Gesichtsalter](https://longevity-cities.com/de/tools/face-age) — Fotobasierte Gesichtsalter-Schätzung und ihre Grenzen. [md](https://longevity-cities.com/de/tools/face-age.md)
- [Kalorienrechner](https://longevity-cities.com/de/tools/calorie-calculator) — Täglicher Energiebedarf und Kalorienziele. [md](https://longevity-cities.com/de/tools/calorie-calculator.md)
- [Proteinrechner](https://longevity-cities.com/de/tools/protein-calculator) — Proteinbedarf nach Alter, Ziel und Training. [md](https://longevity-cities.com/de/tools/protein-calculator.md)
- [VO2max-Rechner](https://longevity-cities.com/de/tools/vo2max-calculator) — Schätzung der Ausdauerfitness und Referenzdaten. [md](https://longevity-cities.com/de/tools/vo2max-calculator.md)
- [Griffkraft-Test](https://longevity-cities.com/de/tools/grip-strength) — Griffkraft nach Alter und Geschlecht einordnen. [md](https://longevity-cities.com/de/tools/grip-strength.md)
- [HOMA-IR-Rechner](https://longevity-cities.com/de/tools/homa-ir) — Berechnung aus Nüchternglukose und Insulin mit Einordnungsgrenzen. [md](https://longevity-cities.com/de/tools/homa-ir.md)
- [Jetlag-Planer](https://longevity-cities.com/de/tools/jetlag-planner) — Zeitplanung für Reisen und zugehörige Methodik. [md](https://longevity-cities.com/de/tools/jetlag-planner.md)
- [Zone-2-Pulsrechner](https://longevity-cities.com/de/tools/zone-2-calculator) — Pulsschätzung und Einordnung der Trainingszonen. [md](https://longevity-cities.com/de/tools/zone-2-calculator.md)
- [Alterungstempo-Test](https://longevity-cities.com/de/age-test) — Lebensstil-Fragebogen mit Schätzungen zur Orientierung. [md](https://longevity-cities.com/de/age-test.md)
- [Wechseljahre- und Perimenopause-Test](https://longevity-cities.com/de/wechseljahre-test) — Selbsteinschätzung der Wechseljahresphase mit Erklärungen.
- [Pseudowissenschafts-Check](https://longevity-cities.com/de/pseudoscience-checker) — Gesundheitsversprechen prüfen und Evidenzbewertungen lesen.