Health · 8 min
NFZ Health Insurance in Poland: How to Register
Registering with NFZ public health insurance in Poland: who is covered, how contributions work, choosing a GP and accessing free treatment.
· Liczbnik Editorial
Tag · 8 articles
Articles tagged “health”
Health · 7 min
How to Calculate BMI and Interpret the Result Correctly
BMI is a simple body mass index. We explain the formula, WHO ranges and show a step-by-step calculation with an example. Check the interpretation.
· Redakcja Liczbnik
Health · 6 min
How Much Water Should You Drink a Day? Rules for Proper Hydration
How much water a day? Learn hydration norms, a simple formula for your needs and signs of dehydration. A calculation example for your body weight.
· Redakcja Liczbnik
Sport · 6 min
How Many Steps a Day for Health? What the Research Says
Do you really need 10,000 steps a day? We check what the research actually says about step counts, health and longevity. Practical tips included.
· Redakcja Liczbnik
Health · 6 min
The WHR (Waist-to-Hip) Ratio — How to Calculate It and What It Means
The WHR ratio is the ratio of waist to hip circumference. We explain the formula, norms for women and men and a calculation example. Body shape and risk.
· Redakcja Liczbnik
Health · 6 min
Blood pressure — norms and how to interpret them
What systolic and diastolic values mean, what the blood pressure norms are and when we talk about hypertension. A practical guide with a table of norms.
· Redakcja Liczbnik
Health · 7 min
How Much Protein a Day? Your Body's Requirement
Find out how much protein your body needs daily in grams per kilogram of body weight, how activity level changes that number, and what shifts during a cut.
· Redakcja Liczbnik
Health · 6 min
How to Calculate BMI — Formula, Ranges and What It Means
Learn the BMI formula, understand underweight to obese ranges, see a worked example, and discover the limitations of BMI as a health metric in 2026.
· Redakcja Liczbnik