Health guides
Short, practical explainers on the health and fitness questions people actually search for — how many calories to eat, what a healthy BMI means, how much protein or water you need, how training zones work. Every guide shows the reasoning behind the guidance and links to the free calculator that runs the numbers for your own situation.
Weight & calories
How many calories should I eat a day?
How daily calorie needs are estimated from BMR and activity level, why the number is a range rather than a fixed figure, and how to adjust it as you go.
7 min read · 625 words
How to lose weight safely and keep it off
Why a moderate calorie deficit beats an aggressive one, how much weight loss per week is reasonable, and the habits that make results last.
8 min read · 541 words
Body composition
What is a healthy BMI? And what it does not tell you
How BMI is defined, the standard adult categories, why athletes and older adults are often misclassified, and the better measures to use alongside it.
6 min read · 545 words
What is body fat percentage, and what is a healthy range?
How body fat percentage differs from BMI, typical reference ranges for men and women, and how the common estimation methods compare.
7 min read · 519 words
Nutrition
How much water should you drink a day?
Why the 'eight glasses' figure is a rough starting point rather than a rule, how to estimate your own needs, and the simple signs of hydration to watch.
6 min read · 555 words
How much protein do you need each day?
General protein intake ranges for sedentary adults, active people and those training to build muscle, plus how to spread it across the day.
7 min read · 571 words
How to calculate your macros (and why they matter less than calories)
A step-by-step method for setting protein, fat and carbohydrate targets from your calorie goal, with sensible ranges for common approaches.
7 min read · 505 words
Intermittent fasting: what the schedules mean and how to start
The common fasting patterns, why fasting works mainly through reduced intake, who should be cautious, and how to begin without over-restricting.
7 min read · 519 words
Training
Resting heart rate and training zones, explained
What resting heart rate indicates, how maximum heart rate is estimated, and how the standard training zones are defined and used.
7 min read · 574 words
How many steps a day do you actually need?
Where the 10,000-step figure came from, what recent research suggests about useful thresholds, and how to convert steps into calories.
6 min read · 540 words