# Welcoming Longevity Cologne! We have officially started our Longevity community in Cologne. Here's a short recap of how the kick-off event went. Cologne just joined the longevity map. On Sunday, 29 March, we launched Longevity Cologne with a matcha and walk, a casual event aimed at introducing the community project and introducing the early-joiners to one another. Here is exactly what went on. What Is Longevity Cologne? It is the newest local chapter of Longevity Germany, a growing network of people who take their health seriously. Not in a obsessive way. In a curious, practical, let's-figure-this-out-together way. The format was simple: grab a matcha, meet some people, go for a walk. No slides, no stage. Just a healthy conversation. How optimized Is Cologne, really? Before the event, we ran a quick poll in our WhatsApp group. The question: How much do you optimize for longevity? The results were telling: - 0 people said they aren't optimizing at all - 4 people said they stick to the basics: sleep, diet, exercise - 10 people said they go beyond the basics (check-ups, supplements, devices) but wouldn't call themselves biohackers No one showed up as a complete beginner. This is a group that already cares. The goal now is to go further, together. Why matcha? It wasn't a random choice. During the walk, we stopped to talk about why matcha is worth paying attention to as a longevity drink. Matcha contains L-theanine (an amino acid that promotes calm focus without the jittery crash of coffee) and a high concentration of EGCG (epigallocatechin gallate, a powerful antioxidant linked to reduced inflammation and lower risk of cardiovascular disease). A 2020 review in Molecules found that regular green tea consumption was associated with a significantly lower risk of all-cause mortality. One cup of matcha contains roughly the same amount of EGCG as 10 cups of regular green tea. That is not a small difference. The grip strength test: a simple measure that predicts a lot Mid-walk, we pulled out a hand grip strength test to get participants to measure a common longevity biomarker. A 2015 Lancet study of nearly 140,000 people across 17 countries found that grip strength was a stronger predictor of cardiovascular mortality than systolic blood pressure. Every 5 kg reduction in grip strength was linked to a 17% higher risk of dying from any cause. Grip strength is a proxy for overall muscle mass and neuromuscular health. It declines with age if you don't actively work against it. Resistance training two to three times a week is the most effective way to maintain it. Try it yourself: squeeze a dynamometer (a simple handheld device, available for under 20 euros) and compare your result to age-adjusted norms. It takes ten seconds and tells you more than most people expect. What actually made the afternoon work The matcha was good. The science was interesting. But the best part was the people. There is a reason every Blue Zone (regions where people consistently live past 100, like Sardinia, Okinawa, and Loma Linda, California) shares one thing regardless of diet or climate: strong social ties. A 2015 meta-analysis of 148 studies, covering over 300,000 participants, found that social connection reduces the risk of premature death by 50%. That is on par with quitting smoking. You cannot track that on a wearable. But it showed up yesterday in Cologne. This is just the beginning Yesterday was the first Longevity Cologne event. There will be more. The community is growing, and we are looking for local volunteers to help shape what comes next. If you are based in Cologne and want to help build this community, apply to become a volunteer host here: longevity-germany.com/community/organizer-apply Stay up to date via our website, on WhatsApp, and our newsletter. --- _Canonical: https://longevity-china.com/en/articles/welcoming-longevity-cologne · Part of Longevity Cities · Updated 2026-03-30_