Longevity Fundamentals

What longevity means medically, how biological aging is measured and what works.

All Articles Biomarkers & Lab Values Cancer Screening & Early Detection Check-ups & Diagnostics Comparisons & Alternatives Longevity Fundamentals Nutrition & Lifestyle Research & Evidence

Longevity Fundamentals / Research & Evidence

Precision Geromedicine: The New Approach to Vitality | YEARS

The prefix "gero" often carries a stigma. It evokes associations with geriatrics, frailty, and inevitable decline. However, in modern medical research, this concept is undergoing a fundamental…

Niko Hems, M.Sc.·17 July 2026

YEARS Doctor shows results for patient on tablet

Check-ups & Diagnostics / Longevity Fundamentals

YEARS Clinic Reviews: Costs, Process & Programs Explained

If you are searching for "YEARS clinic reviews," you are likely already a step ahead. You know that the standard check-up at your family doctor—which might happen every two years and produce a…

Niko Hems, M.Sc.·23 June 2026

Biomarkers & Lab Values / Longevity Fundamentals

Longevity Biomarkers for Performance & Recovery

You train regularly, watch your diet, and prioritize sleep. You feel good. But do you really know how capable your body is? How well it recovers? And what foundation you are laying today for a long…

Niko Hems, M.Sc.·19 June 2026

Check-ups & Diagnostics / Longevity Fundamentals

VO2 Max Testing & Performance Diagnostics for Longevity

The idea of sports medicine performance diagnostics is often associated with images of professional athletes pushing their limits on treadmills while wearing breathing masks. This image isn't wrong…

Niko Hems, M.Sc.·19 June 2026

Biomarkers & Lab Values / Longevity Fundamentals

Longevity Blood Markers: The Tests That Actually Matter | YEARS

You regularly go for preventive check-ups and get your blood tested. That is an important first step. But what if this routine check-up only scratches the surface? What if the truly decisive risks…

Niko Hems, M.Sc.·19 June 2026

Longevity Fundamentals / Nutrition & Lifestyle

GLP-1, Ozempic & Longevity: Evidence, Risks & Biological Age

Ozempic, Wegovy, Semaglutide. These names dominate headlines, social media feeds, and conversations in medical practices worldwide. What began as a medication for type 2 diabetes has become the…

Niko Hems, M.Sc.·02 June 2026

Longevity Fundamentals / Comparisons & Alternatives

Medicine 3.0: A Guide to Peter Attia's Longevity Framework

In Germany alone, over 340,000 people die each year from cardiovascular disease and over 230,000 from cancer. Many of these deaths are considered premature and potentially avoidable. Our current…

Niko Hems, M.Sc.·21 April 2026

YEARS Doctor explaining results to patient

Longevity Fundamentals / Check-ups & Diagnostics

Longevity Diagnostics: A Guide to Measuring Your Biological Age

The term "longevity" is everywhere. Tech billionaire Bryan Johnson reportedly spends over two million dollars a year to measure and optimize his body. The underlying idea is not new: the goal is to…

Niko Hems, M.Sc.·20 April 2026

Longevity Fundamentals / Comparisons & Alternatives

What Is Longevity? A Medical and Scientific Definition

The term "longevity" is everywhere. It promises a longer, healthier life and is often associated with expensive supplements, lifestyle gurus, and futuristic technologies. But behind the marketing…

Niko Hems, M.Sc.·20 April 2026

YEARS Biological Clock and Speed of Aging Graphic

Longevity Fundamentals / Biomarkers & Lab Values

Bryan Johnson's Biomarkers: The Science and Limits of Biological Age

Tech entrepreneur Bryan Johnson spends two million dollars annually on his "Project Blueprint." The goal: to reduce his biological age and slow the aging process. His protocol involves hundreds of…

Niko Hems, M.Sc.·20 April 2026

Longevity Fundamentals / Cancer Screening & Early Detection

Longevity Clinics: Programs, Costs & Evidence in 2026

The market for preventive health checkups is growing, with a projected annual growth rate of 8.4% through 2030 (Research and Markets, 2024). Within this trend, longevity clinics are gaining…

Niko Hems, M.Sc.·20 April 2026

Image of a Stone near a river - looks calming

Check-ups & Diagnostics / Longevity Fundamentals

Executive Health Check-up 2026: What's Covered & What's Not

As someone with private health insurance, you likely have access to first-class medical care. But when it comes to preventive health check-ups, there's often uncertainty: What exactly does your…

Niko Hems, M.Sc.·20 April 2026

Longevity Fundamentals / Comparisons & Alternatives

Longevity vs. Biohacking: What Really Extends Healthspan

The longevity industry is a €50 billion sector driven by a captivatingly simple idea: slowing down aging. Yet the term itself has become so overloaded it means almost nothing. It's used to describe…

Niko Hems, M.Sc.·20 April 2026

Check-ups & Diagnostics / Longevity Fundamentals

What Is a Longevity Check-Up? Tests, Biomarkers & Costs

You feel healthy. Your last visit to the doctor was two years ago, and everything was fine. You're 48, busy with your career, and you go for a run sometimes. So why should you consider a longevity…

Niko Hems, M.Sc.·20 April 2026

Biomarkers & Lab Values / Longevity Fundamentals

P-tau217: The Breakthrough Alzheimer's Blood Test

The prospect of cognitive decline in later life is a significant concern for many, especially those whose careers depend on peak mental performance. For decades, diagnosing Alzheimer's disease was a…

Dr. med. Jan K. Hennigs·20 April 2026

Fit Person stretching his legs before a run

Longevity Fundamentals / Biomarkers & Lab Values

Muscle Mass and Longevity: The Scientific Guide to Aging Stronger

Most people track their weight. But the number on the scale is one of the least accurate metrics for health and longevity. An 85-kilogram man with 15% body fat has a completely different health…

Niko Hems, M.Sc.·20 April 2026

Biomarkers & Lab Values / Longevity Fundamentals

Grip Strength as a Longevity Marker: Why This Biomarker Matters

Your blood pressure is measured at every doctor's visit. Your cholesterol level is featured prominently in your lab report. But when was the last time someone measured the strength of your hands?…

Niko Hems, M.Sc.·20 April 2026

YEARS Image representing growing cancer cell

Biomarkers & Lab Values / Longevity Fundamentals

GDF15 Biomarker: Blood Test, Normal Ranges & Longevity | YEARS

In modern preventive medicine, the focus is shifting from merely detecting disease to actively measuring health. One biomarker gaining significant attention in this new paradigm is Growth…

Dr. med. Jan K. Hennigs·20 April 2026

Longevity Fundamentals / Comparisons & Alternatives

Biological Age Testing: Research-Grade Diagnostics vs. DTC Tests

The concept of biological age has become a clinically relevant tool in preventive medicine. Used correctly, it allows for a more precise, personalized assessment of individual health risks. But as…

Dr. med. Jan K. Hennigs·20 April 2026

YEARS Journal

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